FindBetterInternet

Chantilly, VA Internet

Internet Providers in Chantilly, VA

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

Person using internet

The 30-Second Verdict

Updated
VerizonBest overall
Coverage95%Speed Score73
XfinityBroad backup
Coverage56%Speed Score92
Cox
Coverage31%Speed Score92
T-Mobile
Coverage58%Speed Score73
AT&T
Coverage18%Speed Score69

Verizon is the best overall, with fiber speeds up to 2,048/2,048 Mbps reaching about 9% of Chantilly, while its overall footprint reaches about 95%. Where that top fiber tier does not reach, Xfinity is the broadest backup, mostly cable, covering about 56% of the city, with its fastest common cable tier offering speeds up to 2,000 Mbps across about 17%.

In Chantilly Highlands, Cox leads with about 52% of the ZIP, but Verizon fiber reaches about 23% with the top 2,048/2,048 Mbps tier. ZIP 20152 is much more favorable to Verizon, which covers about 71% there, while Xfinity reaches about 28%. ZIP 20153 leans toward Cox at about 39%, so it is the more cable-dependent area, though Verizon’s top fiber tier reaches about 14%. Armfield Farms, Brookfield, and Walney Village can shift noticeably from one street to the next, so neighborhood averages are only a starting point. T-Mobile and AT&T are worth checking as budget fixed-wireless alternatives, but confirm the exact address before choosing, since coverage and available speeds can change street by street.

Best Internet Providers in Chantilly, VA

Speeds up to 940 Mbps

Plans range $49.99–$89.99 /mo * Refreshed Sep 15, 2026See all 4 plans →


Coverage ~95% of city
Connection type Fiber, 5G Fixed Wireless
73

Best plan here: 1 Gig — faster than 73% of all internet options in Virginia

  • 1 Gig$89.99/mo for 12 months, then $99.99/mo (w/ AutoPay & paper-free billing, new customers, credit approval required) · $200 Amazon Gift CardFiber940 MbpsDownload73Our score$89.99Per month
  • 500 Mbps$74.99/mo for 12 months, then $84.99/mo (w/ AutoPay & paperless billing, new customers, in select areas) · $100 Amazon Gift CardFiber500 MbpsDownload73Our score$74.99Per month
  • 300 Mbps$49.99/mo for 12 months (Auto Pay & paper-free billing required, new customers, Fios available in select areas) · $100 Amazon Gift CardFiber300 MbpsDownload69Our score$49.99Per month
  • 5G Home$60/mo for 12 months (w/ Auto Pay & postpaid mobile unlimited plan that includes 5G Ultra Wideband; requires bundle)5G Fixed Wireless300 MbpsDownload69Our score$60Per month

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

SPEED SCORE

73

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 940 Mbps
Upload 880 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 Chantilly

Fiber supports fast, responsive everyday use, and Verizon’s 1 Gig plan offers up to 940 Mbps download and 880 Mbps upload with a Speed Score of 73/100. That is above Chantilly’s city average of 53, making Verizon a strong, competitive fiber option, with this plan available to about 94% of the city. Availability is address-dependent, and some locations may instead qualify for 5G Home, which offers up to 300 Mbps download and 75 Mbps upload with a Speed Score of 69/100 and reaches about 3% 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 Verizon

Verizon’s fiber plans offer excellent everyday performance, including symmetrical speeds up to 940 Mbps, 500 Mbps, or 300 Mbps for streaming, gaming, work, and multiple users. Fiber is available to about 94% of Chantilly, but availability is address-dependent, and the 5G Home fallback reaches only about 3% of the city with speeds up to 300 Mbps down and 75 Mbps up, so check your address for fiber first.

Available Plans

73
Fiber
940 Mbps Download
880 Mbps Upload
Coverage 84.8% of city
98
Fiber
2048 Mbps Download
2048 Mbps Upload
Coverage 8.9% of city
69
Licensed Fixed Wireless
300 Mbps Download
20 Mbps Upload
Coverage 3.4% of city
12
Fiber
75 Mbps Download
75 Mbps Upload
Coverage 0.6% of city

Speeds up to 2,000 Mbps

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


Coverage ~56% of cityfastest plan shown reaches ~17%
Connection type Cable
92

Best plan here: 2 Gig — faster than 92% of all internet options in Virginia

  • 2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)Cable2,000 MbpsDownload92Our score$100Per month
  • 1.2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)Cable1,200 MbpsDownload85Our score$100Per month
  • 1 GigCable1,000 MbpsDownload78Our score$50Per month
  • 500 Mbps$45/mo for 60 months, then $55/mo (w/ AutoPay & paperless billing, new customers)Cable500 MbpsDownload73Our score$45Per month
  • 300 Mbps$40/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)Cable300 MbpsDownload69Our score$40Per month

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

SPEED SCORE

92

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 Chantilly

Xfinity’s 1.2 Gig cable plan reaches 56.4% of Chantilly, giving many shoppers a reasonable chance of availability at their address. With up to 1200 Mbps download, 35 Mbps upload, and a Speed Score of 85/100, it is a solid, reliable choice and performs above the city average of 53. The top 2 Gig plan scores 92/100 and is an excellent-performing cable option, but it reaches only about 17% of the city, so your address determines which tier you can get.

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 56.4% of Chantilly, so it is a solid option for more than half of local shoppers, though availability depends on your address. Its cable lineup includes excellent choices such as up to 2 Gig download speeds, but that plan is available to only about 17% of the city, while the up to 1.2 Gig plan reaches 56.4%; check your address to see which speed is offered, since the 35 Mbps upload limit may matter for heavy uploads or demanding work.

Available Plans

85
Cable
1200 Mbps Download
35 Mbps Upload
Coverage 39.6% of city
92
Cable
2000 Mbps Download
300 Mbps Upload
Coverage 16.8% of city

Speeds up to 2,000 Mbps

Plans range $50–$90 /mo * Refreshed Sep 15, 2026See all 4 plans →


Coverage ~31% of city
Connection type Cable
92

Best plan here: Go Beyond Fast 2 Gig — faster than 92% of all internet options in Virginia

  • Go Beyond Fast 2 Gig$90/mo for 12 monthsCable2,000 MbpsDownload92Our score$90Per month
  • Go Super Fast 1 Gig$70/mo for 12 monthsCable1,000 MbpsDownload78Our score$70Per month
  • Go Even Faster 500 Mbps$50/mo for 12 monthsCable500 MbpsDownload73Our score$50Per month
  • Fast 300 Mbps$55/mo for 12 monthsCable300 MbpsDownload69Our score$55Per month

Source: Cox Communications official site · checked monthly · availability varies by address

SPEED SCORE

92

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 100 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 Chantilly

Cox Communications is a solid cable option in Chantilly, with a top Speed Score of 92/100 that is above the city average of 53. Its Go Beyond Fast 2 Gig plan offers up to 2000 Mbps download and 100 Mbps upload for $90 per month for 12 months, with a 92/100 score and availability to about 31% of the city. Cox’s plan availability is address-dependent, so check that the cable service and speeds you want reach your specific address.

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 Cox Communications

Cox Communications is a strong option for demanding home internet use, with cable plans offering up to 2,000 Mbps download speeds and a top Speed Score of 92/100. The fastest plans are available to about 31% of Chantilly, so confirm your address qualifies, since Cox may not reach every home and its available upload speeds are more limited.

Available Plans

92
Cable
2000 Mbps Download
35 Mbps Upload
Coverage 30.5% of city
78
Fiber
1000 Mbps Download
100 Mbps Upload
Coverage 0.4% of city
92
Fiber
2000 Mbps Download
100 Mbps Upload
Coverage 0.3% of city

Speeds up to 500 Mbps

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


Coverage ~58% of cityfastest plan shown reaches ~42%
Connection type Fixed Wireless
73

Best plan here: T-Mobile Amplified Home Internet 500 Mbps — faster than 73% of all internet options in Virginia

  • 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 MbpsDownload73Our 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 MbpsDownload73Our 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 MbpsDownload73Our score$35Per month

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

SPEED SCORE

73

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 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 Chantilly

For households seeking affordable service for streaming, browsing, and everyday work, T-Mobile offers fixed wireless plans with up to 500 Mbps download and 60 Mbps upload, earning a Speed Score of 73/100, above Chantilly’s city average of 53. Fixed wireless is an adequate option, though performance can be less consistent than wired service. The 500 Mbps plans reach about 42% of Chantilly addresses, so check your exact address and compare available technologies if you need the lowest latency or most 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 solid everyday service and can use its fixed wireless plans, including up to 500 Mbps download and 60 Mbps upload, with a Speed Score of 73/100. The faster options are available to about 42% of Chantilly, so availability is address-dependent, and you should check your address first because fixed wireless can be less consistent than cable or fiber.

Available Plans

12
Licensed Fixed Wireless
100 Mbps Download
20 Mbps Upload
Coverage 24.6% of city
2
Licensed Fixed Wireless
25 Mbps Download
3 Mbps Upload
Coverage 17.5% of city

Speeds up to 300 Mbps

Plans range $40 /mo * Refreshed Sep 15, 2026See all 1 plans →


Coverage ~18% of city
Connection type Fixed Wireless
69

Best plan here: AT&T Internet Air 300 Mbps — faster than 69% of all internet options in Virginia

  • 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 MbpsDownload69Our score$40Per month

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

SPEED SCORE

69

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 300 Mbps
Upload 30 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 Chantilly

At $40 per month for 12 months, AT&T Internet Air offers up to 300 Mbps download and 30 Mbps upload, making it a reasonable value for a fixed wireless connection. Its Speed Score of 69/100 is above Chantilly’s city average of 53, so it is competitive for everyday streaming, browsing, and work from home. Availability is limited to about 18% of the city, and fixed wireless can be less consistent than wired connections, so verify your address before choosing it.

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 $40 per month for the first 12 months, AT&T Internet Air offers up to 300 Mbps download and 30 Mbps upload, which is a reasonable price for everyday browsing, streaming, and smaller households. Its fixed wireless technology is adequate but below average for the state with a 69/100 Speed Score, and availability reaches about 18% of Chantilly, so check your address first and compare faster cable or fiber options if available, especially for busy households, gaming, or heavy uploads.

Available Plans

2
Licensed Fixed Wireless
25 Mbps Download
3 Mbps Upload
Coverage 15.0% of city
12
Licensed Fixed Wireless
100 Mbps Download
20 Mbps Upload
Coverage 2.8% 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
12

Best plan here: Fusion — slower than 88% of all internet options in Virginia

  • Fusion$94.99/mo for the first 12 months, then $119.99/moSatellite100 MbpsDownload12Our score$94.99Per month
  • Select$49.99/mo for the first 12 months, then $74.99/moSatellite50 MbpsDownload11Our score$49.99Per month
  • Lite$39.99/mo for the first 12 months, then $49.99/moSatellite25 MbpsDownload2Our score$39.99Per month

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

SPEED SCORE

12

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 Chantilly

At $94.99 per month for the first 12 months, then $119.99, HughesNet Fusion provides up to 100 Mbps download and 5 Mbps upload over satellite. Its 12/100 Speed Score is below Chantilly’s city average of 53, so the price may feel high for the performance and satellite latency, especially for demanding use. Fusion is listed as available to 100.0% of Chantilly, but checking what other technologies reach your specific address is worthwhile before choosing.

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 the first 12 months, then $49.99 to $119.99, for up to 25 Mbps, 50 Mbps, or 100 Mbps download speeds over satellite, so the value is limited compared with faster wired service. Because satellite has high latency and below-average performance, check whether fiber or cable is available at your address first, especially if you work from home, stream often, or have several connected devices.

Available Plans

12
Gso Satellite
100 Mbps Download
5 Mbps Upload
Coverage 100.0% of city

Cheapest and Fastest Internet Plans in Chantilly

All 23 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 23 plans

  • StarlinkResidential Max 400 Mbps400 MbpsDownload73Our score$130Per month~100%CoverageSatellite
  • Verizon500 Mbps$74.99/mo for 12 months, then $84.99/mo (w/ AutoPay & paperless billing, new customers, in select areas) · $100 Amazon Gift Card500 MbpsDownload73Our score$74.99$84.99Per month~93.7%CoverageFiber
  • Verizon1 Gig$89.99/mo for 12 months, then $99.99/mo (w/ AutoPay & paper-free billing, new customers, credit approval required) · $200 Amazon Gift Card940 MbpsDownload73Our score$89.99$99.99Per month~93.7%CoverageFiber
  • Verizon300 Mbps$49.99/mo for 12 months (Auto Pay & paper-free billing required, new customers, Fios available in select areas) · $100 Amazon Gift Card300 MbpsDownload69Our score$49.99Per month~93.7%CoverageFiber
  • StarlinkResidential 200 Mbps200 MbpsDownload49Our score$85Per month~100%CoverageSatellite
  • Xfinity1.2 Gig$100/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)1,200 MbpsDownload85Our score$100Per month~56.4%CoverageCable
  • Xfinity1 Gig1,000 MbpsDownload78Our score$50Per month~56.4%CoverageCable
  • Xfinity500 Mbps$45/mo for 60 months, then $55/mo (w/ AutoPay & paperless billing, new customers)500 MbpsDownload73Our score$45$55Per month~56.4%CoverageCable
  • Xfinity300 Mbps$40/mo for 60 months (w/ AutoPay & paperless billing, new customers, 5-Year Price Guarantee)300 MbpsDownload69Our score$40Per month~56.4%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 MbpsDownload73Our score$35$50Per month~42.1%CoverageFixed Wireless

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

Best Fit by Household Type in Chantilly

Best Fit

Remote Workers

Choose Verizon fiber where available for symmetrical speeds up to 2,048/2,048 Mbps.

Verizon fiber reaches about 9% at its fastest tier and about 94% at 940/880 Mbps.

Check first: Confirm fiber technology specifically; Verizon's overall footprint includes other technologies.

Best Fit

Gamers & Streamers

Choose Verizon fiber where available, with Xfinity cable as the broader backup.

Verizon offers 2,048/2,048 Mbps fiber to about 9%, while Xfinity's 1,200 Mbps reaches about 56%.

Check first: Xfinity's 2,000 Mbps tier reaches only about 17% of Chantilly.

Best Fit

Rural & Edge-of-City Homes

Choose Starlink Residential 100 Mbps for availability everywhere, or HughesNet Lite when a lower starting price matters.

Satellite service is available everywhere, while Verizon and cable availability varies by address.

Check first: HughesNet Lite provides 25 Mbps, so compare household usage before choosing.

Best Fit

Students & Roommates

Start with Verizon where fiber is available near campus-heavy areas.

Shared apartments need stable upload and download performance for Zoom, streaming, and concurrent device use.

Check first: Confirm your exact building is wired for the advertised plan tier before ordering.

Internet Providers by ZIP Code in Chantilly

Chantilly Highlands 20151

Cox Communications is currently the strongest option for High-speed cable households.

Cox reaches about 52% of ZIP 20151 with cable service listed up to 2,000 Mbps.

ZIP 20152

Verizon is currently the strongest option for Broad fiber availability.

Verizon fiber reaches about 71% of ZIP 20152 at up to 940/880 Mbps.

ZIP 20153

Cox Communications is currently the strongest option for High-speed cable access.

Cox reaches about 39% of ZIP 20153 with cable service listed up to 2,000 Mbps.

Internet providers near Chantilly

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

Chantilly Internet FAQs

Who is the best internet provider in Chantilly, VA?

Verizon is the best overall provider, with fiber up to 2,048/2,048 Mbps reaching about 9% of Chantilly. That fastest tier is address-limited, while Verizon's overall footprint reaches about 95%; check whether your address qualifies for fiber before ordering.

What is the fastest internet in Chantilly, VA?

Verizon fiber is fastest where available, offering 2,048/2,048 Mbps to about 9% of Chantilly. No other provider's qualifying tier exceeds that speed across at least 5% of the city, so availability at your address determines whether you can receive it.

Which internet provider covers the most of Chantilly, VA?

Verizon has the largest non-satellite footprint, reaching about 95% of Chantilly overall. Satellite service from Starlink and HughesNet is available everywhere, but satellite availability is not expressed as a percentage here; verify the specific wired or wireless technology offered at your address.

What is the cheapest internet plan in Chantilly, VA?

T-Mobile Rely Home Internet 400 Mbps is the cheapest plan at a promotional $35/mo for 400 Mbps, reaching about 42% of Chantilly. The offer requires a qualifying credit, postpaid wireless voice line, and new Internet line, and lasts 12 months before becoming $50/mo.

Can I get fiber internet in Chantilly?

Verizon fiber reaches about 94% of Chantilly at 940/880 Mbps, while its 2,048/2,048 Mbps tier reaches about 9%. Fiber availability is address-specific, so confirm the exact tier rather than assuming Verizon's overall footprint provides the fastest fiber service.

What internet speed do I need in Chantilly?

A 300 Mbps plan is a practical starting point for many Chantilly households, while 500 Mbps supports heavier simultaneous use. Verizon, Xfinity, Cox Communications, and T-Mobile each list tiers at or above these speeds, but the available provider and technology depend on your address.

Is fiber internet available in Chantilly Highlands?

About 23% of ZIP 20151 has Verizon fiber listed at 2,048/2,048 Mbps. Chantilly Highlands addresses can differ substantially, so check the exact address before assuming the neighborhood-level fiber figure applies to your home.

How We Analyze Internet in Chantilly

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 Chantilly report service availability from each provider.

Data Coverage for Chantilly

ZIP Codes Analyzed:
201512015220153
Census Tracts: 22 tracts
Census Blocks: 979 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.