FindBetterInternet

Sunnyvale, CA Internet

Internet Providers in Sunnyvale, CA

Compare every internet provider in Sunnyvale, CA: coverage from FCC filings, plan prices checked monthly, and an address check for your street.

Person using internet

The 30-Second Verdict

Updated
XfinityBest overall
Coverage96%Speed Score91
AT&TFastest where available
Coverage88%Speed Score95
Sail Internet
Coverage2%Speed Score81
Verizon
Coverage56%Speed Score72
T-Mobile
Coverage89%Speed Score80
Etheric
Coverage3%Speed Score58

Xfinity is the best overall, with cable speeds up to 2,000 Mbps reaching about 45% of Sunnyvale, while its broader footprint reaches about 96% of the city. If AT&T reaches your address, it is the faster choice, with fiber speeds up to 5,000/5,000 Mbps reaching about 34% of the city.

Local availability varies considerably: in Heritage District, Xfinity leads with about 44% of the ZIP, while AT&T fiber reaches about 32%; in Cherry Chase, Xfinity covers about 49% and AT&T fiber about 39%. Lakewood is especially favorable to Xfinity, covering about 81% with cable, while AT&T fiber reaches about 15%. ZIP 94085 is nearly a two-provider race, with Xfinity at about 41% and AT&T fiber at about 39%, whereas ZIP 94088 has more limited fiber reach, with AT&T at about 23% and Xfinity at about 43%. Birdland and student apartments near Foothill College Sunnyvale Center can have different building-level choices, and older copper or DSL infrastructure may complicate Zoom, streaming, and gaming. Fixed wireless from T-Mobile or Verizon is worth checking as a budget alternative, but coverage changes street by street, so confirm the exact address before choosing.

Best Internet Providers in Sunnyvale, CA

Speeds up to 2,000 Mbps

Plans range $40–$100 /mo * Refreshed Sep 15, 2026See all 5 plans →


Coverage ~96% of cityfastest plan shown reaches ~45%
Connection type Cable, Fiber
91

Best plan here: 2 Gig — faster than 91% of all internet options in California

  • 2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)Cable2,000 MbpsDownload91Our score$100Per month
  • 1.2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)Cable1,200 MbpsDownload89Our score$100Per month
  • 1 GigCable1,000 MbpsDownload81Our score$50Per month
  • 500 Mbps$45/mo for 60 months, then $55/mo (w/ AutoPay & paperless billing, new customers)Cable500 MbpsDownload80Our score$45Per month
  • 300 Mbps$40/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)Cable300 MbpsDownload72Our score$40Per month

Source: Xfinity official site · checked monthly · availability varies by address

SPEED SCORE

91

Among the fastest advertised speeds in the state

This plan’s advertised maximum download ranks near the top of every option filed with the FCC in this state. It is not a measured speed.

Download 2,000 Mbps
Upload 35 Mbps
Typical latency (by technology) Low

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Excellent

Multi-device

Good

Gaming

Good

Whole home

Good

THE TAKEAWAY

Our recommendation for Sunnyvale

Xfinity reaches 95.6% of Sunnyvale, giving most residents a strong chance of qualifying for its service. Its cable plans are a solid option, led by 2 Gig with up to 2000 Mbps download, 35 Mbps upload, and a 91/100 Speed Score, above the city average of 59. Exact plan availability depends on your address, since 2 Gig reaches only about 45% of the city.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About Xfinity

Xfinity reaches 95.6% of Sunnyvale, so most households have a strong chance of getting its cable service. It offers excellent options for modern needs, including up to 2 Gig with a Speed Score of 91/100, while the up to 1.2 Gig plan is available to about 95% of the city at the same $100 monthly price; the fastest options are address-dependent, so check your exact address before choosing.

Available Plans

89
Cable
1200 Mbps Download
35 Mbps Upload
Coverage 50.1% of city
91
Cable
2000 Mbps Download
300 Mbps Upload
Coverage 44.8% of city
89
Fiber
1200 Mbps Download
35 Mbps Upload
Coverage 1.0% of city
91
Fiber
2000 Mbps Download
300 Mbps Upload
Coverage 0.5% of city
81
Fiber
1000 Mbps Download
1000 Mbps Upload
Coverage 0.1% of city

Speeds up to 5,000 Mbps

Plans range $35–$90 /mo * Refreshed Sep 15, 2026See all 5 plans →


Coverage ~88% of cityfastest plan shown reaches ~34%
Connection type Fixed Wireless, Fiber
95

Best plan here: AT&T Internet 5 GIG speed — faster than 95% of all internet options in California

  • AT&T Internet 5 GIG speed$90/mo for 12 months (new AT&T Fiber customers; up to $30 discount applies for 12 months on 1Gb+ plans) · $150 Visa reward cardFiber5,000 MbpsDownload95Our score$90Per month
  • AT&T Fiber 1 GIG speed$50/mo for 12 months (new AT&T Fiber customers; up to $30 off for 12 months; full plan cost due until discount starts within 3 bills) · $150 Visa reward cardFiber1,000 MbpsDownload81Our score$50Per month
  • AT&T Fiber 500Mbps$50/mo for 12 months (new AT&T Fiber customers, $15/mo discount for 12 months applies after up to 3 bill cycles) · $100 Visa reward cardFiber500 MbpsDownload80Our score$50Per month
  • AT&T Fiber 300Mbps$35/mo for 12 months (new customers, with AutoPay & paperless bill discount, wired connection to gateway) · $200 AT&T Visa Reward CardFiber300 MbpsDownload72Our score$35Per month
  • AT&T Internet Air 300 Mbps$40/mo for 12 months (new customers, no annual contract, AutoPay eligible for additional $5/mo discount)Fixed Wireless300 MbpsDownload72Our score$40Per month

Source: AT&T official site · checked monthly · availability varies by address

SPEED SCORE

95

Among the fastest advertised speeds in the state

This plan’s advertised maximum download ranks near the top of every option filed with the FCC in this state. It is not a measured speed.

Download 5,000 Mbps
Upload 5,000 Mbps
Typical latency (by technology) Low

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Excellent

Multi-device

Excellent

Gaming

Excellent

Whole home

Excellent

THE TAKEAWAY

Our recommendation for Sunnyvale

At $90/mo for 12 months, AT&T’s 5 GIG Fiber plan offers up to 5,000 Mbps download and 5,000 Mbps upload, plus a $150 reward card. Its 95/100 Speed Score is above Sunnyvale’s city average of 59, making it a top-tier option for demanding households. Fiber availability depends on your address, and this plan reaches about 34% of the city, so confirm eligibility before choosing it over AT&T’s fixed wireless option.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About AT&T

AT&T offers strong value in Sunnyvale, from $35/mo for up to 300 Mbps to $90/mo for up to 5,000 Mbps, with the top fiber plans offering excellent, symmetrical speeds and the 5 GIG plan earning a 95/100 speed score. Fiber availability is address-dependent, reaching about 34% of the city for 5 GIG and about 42% for the 1 GIG, 500Mbps, and 300Mbps plans, while the fallback Internet Air option reaches about 47% with up to 300 Mbps download but only up to 30 Mbps upload, so check your address for fiber first.

Available Plans

3
Licensed Fixed Wireless
25 Mbps Download
3 Mbps Upload
Coverage 37.5% of city
95
Fiber
5000 Mbps Download
5000 Mbps Upload
Coverage 33.6% of city
21
Copper
100 Mbps Download
20 Mbps Upload
Coverage 29.9% of city
13
Copper
50 Mbps Download
10 Mbps Upload
Coverage 14.2% of city
18
Copper
75 Mbps Download
20 Mbps Upload
Coverage 11.2% of city
21
Licensed Fixed Wireless
100 Mbps Download
20 Mbps Upload
Coverage 9.8% of city
81
Fiber
1000 Mbps Download
1000 Mbps Upload
Coverage 8.8% of city
1
Copper
10 Mbps Download
1 Mbps Upload
Coverage 7.2% of city
3
Copper
25 Mbps Download
5 Mbps Upload
Coverage 4.4% of city

Speeds up to 1,000 Mbps

Price Not listed Check your address →


Coverage ~2% of city
Connection type Copper
81

Speed Score: Faster than 81% of all internet options in California

SPEED SCORE

81

Among the fastest advertised speeds in the state

This plan’s advertised maximum download ranks near the top of every option filed with the FCC in this state. It is not a measured speed.

Download 1,000 Mbps
Upload 1,000 Mbps
Typical latency (by technology) High

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Adequate

Multi-device

Poor

Gaming

Poor

Whole home

Poor

THE TAKEAWAY

Our recommendation for Sunnyvale

Sail Internet’s Copper plan with up to 1000 Mbps download and 1000 Mbps upload reaches about 2% of Sunnyvale, so availability is limited to a small share of addresses. Its 81/100 Speed Score is above the city’s 59 average and indicates strong advertised performance, but Copper technology can have more limitations than fiber, so check your address and consider other providers first if fiber is available. The 300/200 Mbps Copper plan reaches about 0% of the city and scores 72/100, while the 200/100 Mbps plan reaches about 0% and scores 59/100.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About Sail Internet

Sail Internet reaches just 2.2% of Sunnyvale, so your chances of ordering it are limited. At eligible addresses, its up to 1000 Mbps download and 1000 Mbps upload plan is a strong option, but availability is address-dependent, and the fallback copper plans with lower speeds may not be sufficient for busy households or modern internet needs, so check for faster alternatives first.

Available Plans

81
Copper
1000 Mbps Download
1000 Mbps Upload
Coverage 1.9% of city
59
Copper
200 Mbps Download
100 Mbps Upload
Coverage 0.3% of city
72
Copper
300 Mbps Download
200 Mbps Upload
Coverage 0.1% of city

Speeds up to 300 Mbps

Plans range $60 /mo * Refreshed Sep 15, 2026See all 1 plans →


Coverage ~56% of city
Connection type 5G Fixed Wireless
72

Best plan here: 5G Home — faster than 72% of all internet options in California

  • 5G Home$60/mo for 12 months (w/ Auto Pay & postpaid mobile unlimited plan that includes 5G Ultra Wideband; requires bundle)5G Fixed Wireless300 MbpsDownload72Our score$60Per month

Source: Verizon official site · checked monthly · availability varies by address

SPEED SCORE

72

Mid-pack advertised speed for the state

This plan’s advertised maximum download ranks around the middle of every option filed with the FCC in this state. It is not a measured speed.

Download 300 Mbps
Upload 75 Mbps
Typical latency (by technology) Medium

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Good

Multi-device

Adequate

Gaming

Adequate

Whole home

Good

THE TAKEAWAY

Our recommendation for Sunnyvale

Verizon’s 5G fixed wireless service offers up to 300 Mbps download and 75 Mbps upload, making it a good option for streaming, video calls, and everyday home use, though fixed wireless can be more variable than wired connections. Its Speed Score of 72/100 is above Sunnyvale’s city average of 59, making it a competitive choice. The 5G Home plan is available to about 56% of Sunnyvale, so confirm that this technology reaches your specific address before signing up.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About Verizon

Verizon’s 5G fixed wireless service offers up to 300 Mbps download and 75 Mbps upload, which is good for streaming, video calls, and everyday use, though performance can vary more than with wired connections. This plan reaches about 56% of Sunnyvale and has a Speed Score of 72/100, so it is a solid option where available, but check your address for faster fiber or cable alternatives before choosing it, especially for heavy multi-user or demanding home internet needs.

Available Plans

72
Licensed Fixed Wireless
300 Mbps Download
20 Mbps Upload
Coverage 47.1% of city
81
Licensed Fixed Wireless
1000 Mbps Download
75 Mbps Upload
Coverage 5.4% of city
13
Licensed Fixed Wireless
50 Mbps Download
5 Mbps Upload
Coverage 3.7% of city

Speeds up to 500 Mbps

Plans range $35–$55 /mo * Refreshed Sep 15, 2026See all 3 plans →


Coverage ~89% of city
Connection type Fixed Wireless
80

Best plan here: T-Mobile Amplified Home Internet 500 Mbps — faster than 80% of all internet options in California

  • T-Mobile Amplified Home Internet 500 Mbps$45/mo for 12 months, then $60/mo (new Internet line, qualifying credit, postpaid voice line required; requires bundle) · $200 virtual prepaid MastercardFixed Wireless500 MbpsDownload80Our score$45Per month
  • T-Mobile All-In Home Internet 500 Mbps$55/mo for 12 months, then $70/mo (new Internet line, qualifying credit, postpaid voice line required; requires bundle) · $200 virtual prepaid MastercardFixed Wireless500 MbpsDownload80Our score$55Per month
  • T-Mobile Rely Home Internet 400 Mbps$35/mo for 12 months, then $50/mo (qualifying credit, postpaid voice line, and new Internet line required; requires bundle) · $200 virtual prepaid MastercardFixed Wireless400 MbpsDownload80Our score$35Per month

Source: T-Mobile official site · checked monthly · availability varies by address

SPEED SCORE

80

Among the fastest advertised speeds in the state

This plan’s advertised maximum download ranks near the top of every option filed with the FCC in this state. It is not a measured speed.

Download 500 Mbps
Upload 60 Mbps
Typical latency (by technology) Medium

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Good

Multi-device

Adequate

Gaming

Adequate

Whole home

Good

THE TAKEAWAY

Our recommendation for Sunnyvale

T-Mobile is a good fit for households that want fast home internet without a wired connection, with plans offering up to 500 Mbps download and 60 Mbps upload. Its fixed wireless service has a Speed Score of 80/100, above Sunnyvale’s city average of 59, making it competitive for streaming, work, and everyday use, though performance can vary with network conditions. The 500 Mbps plans are available to about 86% of Sunnyvale, so check your address because this service may not reach every home and wired alternatives can offer more consistent performance.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About T-Mobile

T-Mobile is a good fit for households that want strong everyday performance without needing fiber, with fixed wireless plans offering up to 500 Mbps download and a Speed Score of 80/100. Its best options are available to about 86% of Sunnyvale, while address-dependent availability and the fixed wireless technology mean you should confirm your address and compare faster fiber or cable choices first if they are offered.

Available Plans

21
Licensed Fixed Wireless
100 Mbps Download
20 Mbps Upload
Coverage 68.8% of city
3
Licensed Fixed Wireless
25 Mbps Download
3 Mbps Upload
Coverage 17.4% of city

Speeds up to 150 Mbps

Price Not listed Check your address →


Coverage ~3% of city
Connection type Fixed Wireless
58

Speed Score: Faster than 58% of all internet options in California

SPEED SCORE

58

Below-average advertised speed for the state

This plan’s advertised maximum download ranks below most options filed with the FCC in this state. It is not a measured speed; faster plans are usually listed here.

Download 150 Mbps
Upload 75 Mbps
Typical latency (by technology) Medium

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Good

Multi-device

Adequate

Gaming

Adequate

Whole home

Adequate

THE TAKEAWAY

Our recommendation for Sunnyvale

Up to 150 Mbps download and 75 Mbps upload can handle everyday browsing, streaming, and video calls for many households. Etheric Networks’ fixed wireless plan has a 58/100 Speed Score, so performance is limited compared with stronger alternatives, and you may want to check what else is available at your address first. Availability is highly address-dependent, with this plan covering 3.1% of Sunnyvale.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About Etheric Networks

Up to 150 Mbps download and 75 Mbps upload is enough for streaming, video calls, browsing, and a few connected devices, though it may feel limited for larger households or heavy uploads. Etheric Networks offers fixed wireless with below-average performance, so availability is limited and you should check for faster fiber or cable options at your address first, especially if you have demanding modern internet needs.

Available Plans

58
Lbr Fixed Wireless
150 Mbps Download
75 Mbps Upload
Coverage 3.1% of city

Speeds up to 100 Mbps

Plans range $39.99–$94.99 /mo * Refreshed Sep 15, 2026See all 3 plans →


Coverage ~100% of city
Connection type Satellite
21

Best plan here: Fusion — slower than 79% of all internet options in California

  • Fusion$94.99/mo for the first 12 months, then $119.99/moSatellite100 MbpsDownload21Our score$94.99Per month
  • Select$49.99/mo for the first 12 months, then $74.99/moSatellite50 MbpsDownload13Our score$49.99Per month
  • Lite$39.99/mo for the first 12 months, then $49.99/moSatellite25 MbpsDownload3Our score$39.99Per month

Source: HughesNet official site · checked monthly · availability varies by address

SPEED SCORE

21

Below-average advertised speed for the state

This plan’s advertised maximum download ranks below most options filed with the FCC in this state. It is not a measured speed; faster plans are usually listed here.

Download 100 Mbps
Upload 5 Mbps
Typical latency (by technology) High

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Poor

Multi-device

Poor

Gaming

Poor

Whole home

Poor

THE TAKEAWAY

Our recommendation for Sunnyvale

At $94.99/mo for the first 12 months, then $119.99/mo, HughesNet’s Fusion plan buys up to 100 Mbps download and 5 Mbps upload, but its 21/100 Speed Score is below the city average of 59. Satellite service offers limited performance compared with alternatives, so check what other technologies are available at your address before choosing, even though Fusion is listed at 100.0% availability in Sunnyvale.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About HughesNet

HughesNet costs $39.99 to $94.99 per month for introductory pricing, but the satellite plans offer only up to 25, 50, or 100 Mbps download and have below-average Speed Scores, so the value may be limited for modern households. It reaches 100.0% of Sunnyvale, making it a widely available fallback, but check your address for faster fiber or cable options first because satellite can be limiting, especially for gaming, video calls, and multiple heavy users.

Available Plans

21
Gso Satellite
100 Mbps Download
5 Mbps Upload
Coverage 100.0% of city

Speeds up to 55 Mbps

Plans range $69.99–$99.99 /mo * Refreshed Sep 15, 2026See all 2 plans →


Coverage ~100% of city
Connection type Satellite
18

Best plan here: Viasat Essentials — slower than 82% of all internet options in California

  • Viasat EssentialsSatellite55 MbpsDownload18Our score$69.99Per month
  • Viasat UnleashedSatellite34 MbpsDownload13Our score$99.99Per month

Source: Viasat Inc official site · checked monthly · availability varies by address

SPEED SCORE

18

Below-average advertised speed for the state

This plan’s advertised maximum download ranks below most options filed with the FCC in this state. It is not a measured speed; faster plans are usually listed here.

Download 55 Mbps
Upload 4 Mbps
Typical latency (by technology) High

The Speed Score is the percentile of this plan’s maximum advertised download speed among every internet option filed with the FCC in this state. It is not a measured speed test: actual throughput varies by address, wiring and time of day. Enter your full address to see which plans are serviceable at your home.

EST. CAPABILITIES

Streaming

Poor

Multi-device

Poor

Gaming

Poor

Whole home

Poor

THE TAKEAWAY

Our recommendation for Sunnyvale

Viasat is a limited-performance choice compared with alternatives, with a provider Speed Score of 18/100 versus Sunnyvale’s city average of 59. Its Viasat Essentials satellite plan offers up to 55 Mbps download and 4 Mbps upload for $69.99 per month, with availability across 100.0% of the city. Because satellite service can have higher latency and performance depends on your address, check what other technologies are available before choosing this plan.

Speeds and reach below are what the provider files with the FCC for each technology tier, by census block. The plans it actually sells here, with their own speeds and prices, are under Pricing & Plans; the two can differ.

About Viasat Inc

Viasat Inc is a basic fallback rather than a top choice, since its satellite plans have below-average Speed Scores and speeds of up to 55 Mbps down and 4 Mbps up. Viasat Essentials is available to 100% of Sunnyvale at $69.99 per month, but satellite internet can have high latency, so check your address for faster fiber or cable service first, especially for streaming, gaming, or multiple users.

Available Plans

21
Gso Satellite
100 Mbps Download
3 Mbps Upload
Coverage 100.0% of city

Cheapest and Fastest Internet Plans in Sunnyvale

All 22 product lines from the 7 providers with published pricing here, showing the price you would be quoted today and what it reverts to.

Showing 10 of 22 plans

  • Xfinity1.2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)1,200 MbpsDownload89Our score$100Per month~95%CoverageCable
  • StarlinkResidential Max 400 Mbps400 MbpsDownload80Our score$130Per month~100%CoverageSatellite
  • Xfinity1 Gig1,000 MbpsDownload81Our score$50Per month~95%CoverageCable
  • Xfinity500 Mbps$45/mo for 60 months, then $55/mo (w/ AutoPay & paperless billing, new customers)500 MbpsDownload80Our score$45$55Per month~95%CoverageCable
  • T-MobileT-Mobile Rely Home Internet 400 Mbps$35/mo for 12 months, then $50/mo (qualifying credit, postpaid voice line, and new Internet line required; requires bundle) · $200 virtual prepaid Mastercard400 MbpsDownload80Our score$35$50Per month~86.2%CoverageFixed Wireless
  • T-MobileT-Mobile Amplified Home Internet 500 Mbps$45/mo for 12 months, then $60/mo (new Internet line, qualifying credit, postpaid voice line required; requires bundle) · $200 virtual prepaid Mastercard500 MbpsDownload80Our score$45$60Per month~86.2%CoverageFixed Wireless
  • T-MobileT-Mobile All-In Home Internet 500 Mbps$55/mo for 12 months, then $70/mo (new Internet line, qualifying credit, postpaid voice line required; requires bundle) · $200 virtual prepaid Mastercard500 MbpsDownload80Our score$55$70Per month~86.2%CoverageFixed Wireless
  • Xfinity300 Mbps$40/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)300 MbpsDownload72Our score$40Per month~95%CoverageCable
  • StarlinkResidential 200 Mbps200 MbpsDownload59Our score$85Per month~100%CoverageSatellite
  • Xfinity2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)2,000 MbpsDownload91Our score$100Per month~44.8%CoverageCable

Prices are the current promotional rate where one is advertised. Sourced monthly from each provider’s own site; availability varies by address.

Compare Sunnyvale providers head-to-head

See how Sunnyvale’s providers stack up against each other — speed, coverage, price, and who wins block by block.

Best Fit by Household Type in Sunnyvale

Best Fit

Students & Roommates

Choose Xfinity 300 Mbps for $40/mo promotional pricing with 95% city reach.

It combines broad Sunnyvale availability with enough capacity for shared streaming, classes, and video calls.

Check first: Confirm the address qualifies; the 2 Gig tier reaches only about 45% of Sunnyvale.

Best Fit

Remote Workers

Choose AT&T Fiber 300Mbps at $35/mo for 12 months with AutoPay and paperless billing.

Its wired fiber service reaches about 42% of Sunnyvale and supports reliable two-way connectivity.

Check first: Fiber availability is address-specific, even within Heritage District and Cherry Chase.

Best Fit

Gamers & Streamers

Choose AT&T Internet 5 GIG where available for symmetrical 5,000 Mbps service.

The fiber tier reaches about 34% of Sunnyvale and offers the city's fastest listed speeds.

Check first: Check the exact address because this fastest tier has substantially less reach than AT&T overall.

Best Fit

Rural & Edge-of-City Homes

Consider Starlink Residential 100 Mbps at $55/mo promotional pricing, available everywhere in Sunnyvale.

Its entry plan reaches every address and provides a straightforward option where wired tiers may be unavailable.

Check first: Satellite availability is broad, but verify expected performance for your household's simultaneous usage.

Internet Providers by ZIP Code in Sunnyvale

Heritage District 94086

Xfinity is currently the strongest option for Broad cable availability.

Xfinity's 1.2 Gig cable tier reaches about 44% of ZIP 94086, ahead of AT&T fiber at about 32%.

Cherry Chase 94087

Xfinity is currently the strongest option for High-availability cable.

Xfinity's 1.2 Gig tier reaches about 49% of ZIP 94087, while AT&T's 5 Gig fiber reaches about 39%.

Lakewood 94089

Xfinity is currently the strongest option for Fastest broad local option.

Xfinity's 2 Gig cable tier reaches about 81% of ZIP 94089, making Lakewood its strongest listed ZIP.

ZIP 94085

Xfinity is currently the strongest option for Broad cable coverage.

Xfinity's 2 Gig tier reaches about 41% of ZIP 94085, narrowly exceeding AT&T's 5 Gig fiber at about 39%.

ZIP 94088

Xfinity is currently the strongest option for Cable availability.

Xfinity's 2 Gig tier reaches about 43% of ZIP 94088, compared with AT&T 5 Gig fiber at about 23%.

Internet providers near Sunnyvale

Coverage can change completely a few miles down the road. If you’re moving to or shopping just outside Sunnyvale, check the neighboring market directly.

Sunnyvale Internet FAQs

Who is the best internet provider in Sunnyvale, CA?

Xfinity is Sunnyvale's best overall provider, offering cable up to 2,000 Mbps across about 45% of the city. AT&T is faster where available, with 5,000/5,000 Mbps fiber reaching about 34%, so check your address before choosing.

What is the fastest internet in Sunnyvale, CA?

AT&T fiber is fastest, reaching about 34% of Sunnyvale with symmetrical 5,000/5,000 Mbps service. Xfinity remains the best overall provider, with 2,000 Mbps cable reaching about 45%, making address-level availability the deciding factor.

Which internet provider covers the most of Sunnyvale, CA?

Xfinity has the largest non-satellite footprint, covering about 96% of Sunnyvale overall. Satellite services are available everywhere, while Xfinity's 1.2 Gig cable plan reaches about 95% and its 2 Gig plan reaches about 45%.

What is the cheapest internet plan in Sunnyvale, CA?

The cheapest plans are tied at a promotional $35/mo: T-Mobile Rely Home Internet 400 Mbps reaches about 86%, and AT&T Fiber 300Mbps reaches about 42%. T-Mobile requires a qualifying wireless line and bundle; AT&T's rate requires new service, AutoPay, and paperless billing for 12 months.

Can I get fiber internet in Sunnyvale?

AT&T fiber reaches about 42% of Sunnyvale, including 300 Mbps, 500 Mbps, and 1,000 Mbps tiers, while its 5 Gig fiber reaches about 34%. Fiber availability varies by address, so nearby coverage figures do not guarantee service at your home.

What internet speed do I need in Sunnyvale?

A 300 Mbps plan is a practical starting point for many Sunnyvale households, with Xfinity reaching about 95% and AT&T fiber about 42%. Larger shared households, frequent 4K streaming, or demanding uploads should check fiber availability or consider higher tiers.

What internet is available in Lakewood?

About 81% of ZIP 94089 in Lakewood has Xfinity 2 Gig cable availability, the strongest listed local footprint for that tier. AT&T 5 Gig fiber reaches about 15%, so Xfinity is the more broadly available high-speed option there.

How We Analyze Internet in Sunnyvale

FCC Broadband Data

We use the FCC National Broadband Map, updated twice a year with provider-reported coverage at the census block level.

Speed Score

A state-wide percentile of each plan’s maximum advertised download speed against every option filed with the FCC in the state, all technologies on one scale. It is not a measured speed test.

Coverage Calculation

Provider coverage shows what percentage of census blocks in Sunnyvale report service availability from each provider.

Data Coverage for Sunnyvale

ZIP Codes Analyzed:
9408594086940879408894089
Census Tracts: 43 tracts
Census Blocks: 1,526 blocks analyzed

How We Calculate Speed Score

The Speed Score is a state-wide percentile from 0 to 100. It answers one question: of every internet option filed with the FCC in this state, across every technology, what share is slower than this plan’s maximum advertised download speed?

What goes in:

  • The plan’s maximum advertised download speed, as the provider files it with the FCC and lists it for sale.
  • Every other serviceable option in the state from the FCC Broadband Data Collection, counted by the census blocks it reaches.

Speed Score = share of the state’s filed options with a lower advertised download speed

A score of 85 means this plan’s advertised speed beats 85% of the options filed in the state. Fiber, cable, DSL, fixed wireless and satellite are all on the same scale, so a 1,000 Mbps plan scores the same whoever sells it.

What it is not: a measured speed test. It does not include latency, upload speed, reliability or congestion. Real throughput at an address varies with wiring, equipment and time of day.

How providers are ordered on this page: each provider’s tier scores are averaged across the census blocks it serves, then multiplied by the share of the city it reaches. Wired providers rank ahead of wireless-only ones, and satellite last, because their filings describe a signal footprint rather than a plant. The same rule sets the title and the 30-second verdict.

Data source: FCC National Broadband Map (Broadband Data Collection), republished roughly twice a year; provider plan lists checked monthly.

How We Calculate Capabilities

Estimated Capabilities predict how well each internet plan supports common household activities based on speed requirements and connection type.

Rating Scale:

  • Excellent – Optimal performance, handles peak usage easily
  • Good – Reliable performance with minimal issues
  • Fair – Functional but may experience slowdowns during heavy use
  • Poor – Not recommended; expect frequent buffering or lag

How We Rate Each Category:

Streaming

Based on download speed. 4K streaming requires 25+ Mbps per stream; HD requires 5+ Mbps. We account for multiple simultaneous streams.

Multi-device

Evaluates total bandwidth capacity divided by typical household device count (phones, tablets, smart TVs, computers). Fiber and cable handle many devices better than DSL or satellite.

Gaming

Considers both upload speed (for sending game data) and latency (ping time). Fiber and cable excel here; satellite connections struggle due to inherent signal delay.

Whole Home

Assesses whether the connection can reliably serve an entire household during peak evening hours. Factors in technology type (shared vs. dedicated bandwidth) and total speed capacity.

Note: Actual performance depends on your specific location, network congestion, and equipment quality.