BOULDER, CO
Find internet providers in Boulder, CO
Find internet offered in Boulder, CO – easily compare options from multiple providers to find the plan that best fits your needs.
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Shop and compare 12 internet providers for Boulder, CO
The 30-Second Verdict
UpdatedIn Boulder, CO, your best bet is CenturyLink, covering ~89% of the city, with fiber reaching ~15% and speeds up to 1,000 Mbps. However, if Quantum Fiber is available at your address, it can be the better, faster pick, with speeds up to 8,000 Mbps at qualifying addresses; its overall city coverage is ~29%. University Hill, North Boulder, and Table Mesa show the local split, with Quantum Fiber leading at 44.8%, 49.9%, and 66.5%, respectively. ZIP 80301 leans Xfinity, with 48.6% reaching up to 1,200 Mbps and 34.1% reaching up to 2,000 Mbps, while ZIP 80307 is 98.0% Quantum Fiber. University of Colorado Boulder and Naropa University students should remember that apartments may offer different choices, including buildings still relying on old DSL or copper infrastructure. For Zoom, streaming, and gaming, reliable service matters more than a flashy maximum speed. LiveWireNet is a useful fixed-wireless alternative, covering 63.4% of the city with speeds up to 250 Mbps, while T-Mobile reaches 76.6% overall. Mapleton Hill is not separately broken out, so confirm the exact address before signing up, especially in student apartments.
Best plan here: Fiber Internet (up to 940 Mbps) — faster than 89% of all internet options in Colorado
- Fiber Internet (up to 940 Mbps)Fiber940 MbpsDownload89Our score$75Per month
Source: CenturyLink official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Boulder
CenturyLink is a top-tier option in Boulder for addresses it serves with fiber. Its Fiber Internet plan offers up to 940 Mbps download and up to 940 Mbps upload for $75/mo, earning an 89/100 Speed Score that is above the city average of 69. Because this best technology may not reach every address, check availability to confirm you can get the plan, which is available to 26.1% of Boulder.
About CenturyLink
CenturyLink is a strong choice for households that need fast internet and can get its fiber service, but its best option is address-dependent. Fiber Internet offers up to 940 Mbps both ways for $75/mo and has a Speed Score of 89/100, but it is available to only 26.1% of Boulder, so check your address before counting on it.
Available Plans
Copper
Fiber
Copper
Fiber
Copper
Copper
Copper
Copper
Fiber
Fiber
Copper
Fiber
Best plan here: Quantum Fiber 3 Gig — faster than 98% of all internet options in Colorado
- Quantum Fiber 3 Gig$65/mo promotional rate, then $100/moFiber3,000 MbpsDownload98Our score$65Per month
- Quantum Fiber 2 Gig$70/mo promotional rate, then $100/moFiber2,000 MbpsDownload98Our score$70Per month
- Quantum Fiber 940 Mbps / 1 Gig$45/mo promotional rate, then $80/moFiber940 MbpsDownload89Our score$45Per month
- Simply Fiber Internet 200 MbpsFiber200 MbpsDownload78Our score$30Per month
Source: Quantum Fiber official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Boulder
Fiber is an excellent choice for low-latency gaming, video calls, streaming, and heavy uploads, and Quantum Fiber’s top tier offers up to 3000 Mbps down and 3000 Mbps up with a 98/100 Speed Score, above Boulder’s city average of 69. The 940 Mbps / 1 Gig plan is a strong everyday value at its $45/mo promotional rate, with an 89/100 Speed Score and availability to 28.7% of Boulder. Fiber tier availability is address-specific, so confirm which plan reaches your home before choosing.
About Quantum Fiber
Quantum Fiber uses fiber, which is excellent for streaming, gaming, video calls, and households with multiple users, with plans offering up to 3000 Mbps both ways. Its fastest choices are address-dependent: up to 940 Mbps both ways is available to 28.7% of Boulder, while the 2 Gig and 3 Gig plans reach 22.7% and 0.1%, respectively, so check your address to see which option you can actually order.
Available Plans
Fiber
Fiber
Fiber
Fiber
Best plan here: 1.2/2 Gig — faster than 86% of all internet options in Colorado
- 1.2/2 Gig$90/mo for the first 12 months, then $100/moFiber/Cable1,200 MbpsDownload86Our score$90Per month
- 1 Gig$60/mo for the first 12 months, then $70/moFiber/Cable1,000 MbpsDownload87Our score$60Per month
- 500 Mbps$50/mo for the first 12 months, then $60/moFiber/Cable500 MbpsDownload79Our score$50Per month
- 300 Mbps$40/mo for the first 12 months, then $45/moFiber/Cable300 MbpsDownload44Our score$40Per month
Source: Xfinity official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Good
Good
Good
THE TAKEAWAY
Our recommendation for Boulder
The 1 Gig plan reaches 73.2% of Boulder, giving many households a strong chance of getting Xfinity service at this tier. It offers up to 1000 Mbps download and 35 Mbps upload with a Speed Score of 87/100, making it a top-tier option on fiber and a solid option on cable; Xfinity’s headline Speed Score of 86/100 is above the city average of 69. Because the plan can be delivered over either fiber or cable, confirm the technology at your address, since fiber offers lower latency and stronger upload performance while cable remains reliable for most uses.
About Xfinity
Xfinity’s fiber/cable plans are available to 73.2% of Boulder, so many shoppers have a good chance of finding a strong connection. At eligible addresses, the lineup includes up to 1200 Mbps download and 35 Mbps upload for $90/mo for the first 12 months, while the up to 1000 Mbps plan is $60/mo for the first 12 months, but availability is address-dependent, so confirm that these faster options are offered at your home.
Available Plans
Cable
Cable
Fiber
Fiber
Allo Communications LLC
Speeds up to 2,300 Mbps
Plans start at $50 /mo *
Speed Score: Faster than 98% of all internet options in Colorado
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Boulder
The monthly price buys a top-tier fiber option with up to 2300 Mbps download and 2300 Mbps upload, backed by a Speed Score of 98/100. Fiber availability reaches 5.2% of Boulder, so check your address before relying on these speeds, but where available, this is an excellent choice for demanding households and low-latency use.
About Allo Communications LLC
At the monthly price quoted for your address, Allo Communications LLC offers excellent value with fiber service up to 2300 Mbps download and 2300 Mbps upload, a Speed Score of 98/100, for demanding streaming, gaming, and work. This fiber option reaches 5.2% of Boulder, so it is a strong choice if your address is included, but availability is limited and worth checking before you choose it.
Available Plans
Fiber
Best plan here: All-In Home Internet — faster than 78% of all internet options in Colorado
- All-In Home Internet$70/mo promotional rate, then $80/mo5G Fixed Wireless498 MbpsDownload78Our score$70Per month
- Rely Home Internet$50/mo promotional rate, then $60/mo5G Fixed Wireless354 MbpsDownload77Our score$50Per month
Source: T-Mobile official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows average speeds for your area
This score is based on local bandwidth data and indicates this provider offers competitive speeds in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Boulder
Households that want strong everyday speeds without needing fiber may find T-Mobile’s 5G fixed wireless service a competitive choice in Boulder, with All-In Home Internet offering up to 498 Mbps down and 55 Mbps up and a Speed Score of 78, above the city’s average of 69. Rely offers up to 354 Mbps down and 55 Mbps up with a Speed Score of 77, but both plans are available to 58.1% of the city, so check your address and consider other available technologies if you need lower latency and more consistent performance.
About T-Mobile
For households that want good everyday speeds without needing fiber-level performance, T-Mobile is a solid fixed-wireless option, offering up to 498 Mbps download and 55 Mbps upload for $70/mo promotional pricing, or up to 354 Mbps download and 55 Mbps upload for $50/mo promotional pricing. Fixed wireless is adequate rather than excellent like fiber or cable, and these plans are available to 58.1% of Boulder, so check your address for availability and consistency before choosing it.
Available Plans
Licensed Fixed Wireless
Licensed Fixed Wireless
Best plan here: 5G Home Plus — faster than 81% of all internet options in Colorado
- 5G Home Plus$45/mo promotional rate, then $70/mo5G Fixed Wireless1,000 MbpsDownload81Our score$45Per month
- 5G Home$35/mo promotional rate, then $60/mo5G Fixed Wireless300 MbpsDownload77Our score$35Per month
Source: Verizon official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Boulder
Verizon’s 5G fixed wireless service can support streaming, video calls, and everyday browsing, with 5G Home Plus offering up to 1000 Mbps download and 75 Mbps upload for a Speed Score of 81/100. That score is above Boulder’s city average of 69, while 5G Home offers up to 300 Mbps download and 75 Mbps upload with a 77/100 score, though fixed wireless performance can vary more than wired service. Both plans are available to 53.3% of Boulder, so confirm your address before choosing a plan.
About Verizon
Verizon’s 5G fixed wireless service is an adequate choice for everyday browsing, streaming, and many work-from-home needs, with plans offering up to 1000 Mbps download and 75 Mbps upload or up to 300 Mbps download and 75 Mbps upload, though fixed wireless performance can vary. Both plans are available to 53.3% of Boulder, so check your address carefully and compare fiber or cable first if available, especially if you need consistently strong upload performance or reliability.
Available Plans
Licensed Fixed Wireless
Licensed Fixed Wireless
Best plan here: Residential – Max — faster than 67% of all internet options in Colorado
- Residential – MaxSatellite400 MbpsDownload67Our score$130Per month
- Residential – 200 MbpsSatellite200 MbpsDownload67Our score$85Per month
- Residential – 100 MbpsSatellite100 MbpsDownload67Our score$55Per month
Source: Starlink official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows below average speeds for your area
This score is based on local bandwidth data and is an indicator that there are better options in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Adequate
Poor
Poor
Adequate
THE TAKEAWAY
Our recommendation for Boulder
Satellite internet can handle everyday browsing and streaming, but its higher latency may affect gaming, video calls, and other real-time use. Starlink offers plans with up to 100 Mbps download and 25 Mbps upload, up to 200 Mbps download and 25 Mbps upload, or up to 400 Mbps download and 30 Mbps upload, all with a Speed Score of 67/100, about the same as the city average of 69. Each plan shows availability to 100.0% of Boulder, but satellite performance makes it worthwhile to check which other technologies reach your specific address before choosing.
About Starlink
Satellite internet is widely available and can handle everyday browsing and streaming, but its higher latency may make gaming, video calls, and other real-time uses feel less responsive. Starlink reaches 100.0% of Boulder and offers up to 400 Mbps download and 30 Mbps upload for $130/mo, with options up to 200 Mbps for $85/mo or 100 Mbps for $55/mo. Its Speed Score of 67/100 is below average, so check whether fiber or cable service is available at your address first, especially if you need consistently responsive performance.
Available Plans
Ngso Satellite
Lyons Communications
Speeds up to 1,000 Mbps
Price
Speed Score: Faster than 91% of all internet options in Colorado
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Boulder
Fiber is an excellent choice for everyday use, with low-latency performance and up to 1000 Mbps download and 1000 Mbps upload, earning a 91/100 speed score above Boulder’s average top speed score of 69. Cable is also a reliable choice, offering up to 500 Mbps download and 50 Mbps upload with a 78/100 score. The fiber plan covers 2.1% of Boulder, so this top-tier option may not be available at your address, making it important to check which technology Lyons Communications can provide there.
About Lyons Communications
Fiber is the standout option for demanding everyday use, offering up to 1000 Mbps down and 1000 Mbps up with an excellent 91/100 Speed Score. Lyons also offers cable with up to 500 Mbps down and 50 Mbps up, a good choice for most households with a 78/100 Speed Score, but both options are address-dependent, covering 2.1% and 2.3% of census blocks respectively, so check your address before counting on availability.
Available Plans
Cable
Fiber
LiveWireNet
Speeds up to 250 Mbps
Price
Speed Score: Faster than 70% of all internet options in Colorado
SPEED SCORE
Local data shows average speeds for your area
This score is based on local bandwidth data and indicates this provider offers competitive speeds in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Boulder
Households needing dependable service for browsing, streaming, and video calls may find LiveWireNet worth considering. Its fixed-wireless plan offers up to 250 Mbps download and 100 Mbps upload, with a Speed Score of 70/100, above Boulder’s average top speed score of 69. The plan covers 63.4% of Boulder, but fixed-wireless performance can vary by location, so confirm availability and compare other technologies offered at your address.
About LiveWireNet
LiveWireNet is a reasonable fit for a small household that needs everyday internet for browsing, streaming, and video calls, with fixed wireless offering up to 250 Mbps download and 100 Mbps upload. Its fixed wireless service is adequate rather than top-tier, reaches 63.4% of Boulder, and can vary with local conditions, so check availability and performance at your address before relying on it for heavy simultaneous use or demanding work.
Available Plans
Lbr Fixed Wireless
Best plan here: AT&T Internet Air — faster than 77% of all internet options in Colorado
- AT&T Internet Air$55/mo promotional rate, then $60/mo5G Fixed Wireless300 MbpsDownload77Our score$55Per month
Source: AT&T official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows average speeds for your area
This score is based on local bandwidth data and indicates this provider offers competitive speeds in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Boulder
At $55/mo promotional pricing, then $60/mo, AT&T Internet Air offers up to 300 Mbps download and upload with a 77/100 Speed Score, making it a competitive value above Boulder’s 69 average. As a 5G fixed wireless plan, performance can be more variable than wired service, and availability is limited to 25.5% of Boulder, so confirm service at your address before choosing it.
About AT&T
At $55/mo promotional price, rising to $60/mo, AT&T Internet Air offers up to 300 Mbps down and 300 Mbps up, making it an adequate fixed wireless option with good value for streaming, work, and connected homes. Its Speed Score of 77/100 is better than average, but fixed wireless can be less consistent than cable or fiber, and this plan is available to 25.5% of Boulder, so confirm your address before choosing it.
Available Plans
Licensed Fixed Wireless
Licensed Fixed Wireless
Best plan here: Fusion — slower than 71% of all internet options in Colorado
- Fusion$94.99/mo for the first 12 months, then $119.99/moSatellite100 MbpsDownload29Our score$94.99Per month
- Select$49.99/mo for the first 12 months, then $74.99/moSatellite50 MbpsDownload14Our 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
Local data shows below average speeds for your area
This score is based on local bandwidth data and is an indicator that there are better options in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Poor
Poor
Poor
Poor
THE TAKEAWAY
Our recommendation for Boulder
At $94.99/mo for the first 12 months, then $119.99/mo, Fusion buys up to 100 Mbps download and 5 Mbps upload, but its Speed Score is 29/100. That score is below the Boulder average of 69, and satellite is a limited-performance technology compared with fiber or cable, especially for latency-sensitive uses. Select costs $49.99/mo for the first 12 months, then $74.99/mo, with up to 50 Mbps download and 5 Mbps upload and a 14/100 Speed Score, while Lite costs $39.99/mo for the first 12 months, then $49.99/mo, with up to 25 Mbps download and 3 Mbps upload and a 3/100 Speed Score; all show 100.0% availability, so check what other services reach your specific address before choosing.
About HughesNet
HughesNet’s $39.99/mo Lite plan buys up to 25 Mbps, while $49.99/mo Select offers up to 50 Mbps and $94.99/mo Fusion offers up to 100 Mbps, but these satellite plans have below-average Speed Scores of 3, 14, and 29. All three plans are available to 100.0% of Boulder, making HughesNet a broadly available fallback, but check your address for fiber or cable first because those technologies are generally better for streaming, gaming, and video calls.
Available Plans
Gso Satellite
Best plan here: Viasat Essentials — slower than 86% of all internet options in Colorado
- Viasat EssentialsSatellite55 MbpsDownload14Our score$69.99Per month
- Viasat UnleashedSatellite34 MbpsDownload3Our score$99.99Per month
Source: Viasat Inc official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows below average speeds for your area
This score is based on local bandwidth data and is an indicator that there are better options in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Poor
Poor
Poor
Poor
THE TAKEAWAY
Our recommendation for Boulder
Viasat is a limited-performance choice in Boulder, so consider checking other providers first. Its Viasat Essentials satellite plan offers up to 55 Mbps download and 4 Mbps upload, with a Speed Score of 14/100, below the city average of 69, and is listed as available to 100.7% of Boulder. Viasat Unleashed is slower at up to 34 Mbps download and 4 Mbps upload with a Speed Score of 3/100, so confirm availability and expected performance at your address.
About Viasat Inc
Viasat is mainly a fallback option, so check whether faster fiber or cable service is available at your address first. Its satellite plans offer up to 55 Mbps download and 4 Mbps upload for $69.99/mo with a Speed Score of 14/100, or up to 34 Mbps download and 4 Mbps upload for $99.99/mo with a Speed Score of 3/100, and satellite latency may make demanding modern uses less comfortable even though each plan is listed as available to 100.7% of Boulder.
Available Plans
Gso Satellite
Gso Satellite
Every plan available in Boulder
All 22 product lines from the 9 providers with published pricing here, showing the price you would be quoted today and what it reverts to.
Showing 10 of 22 plans
- StarlinkResidential – 100 Mbps100 MbpsDownload67Our score$55Per month~100%CoverageSatellite
- StarlinkResidential – 200 Mbps200 MbpsDownload67Our score$85Per month~100%CoverageSatellite
- StarlinkResidential – Max400 MbpsDownload67Our score$130Per month~100%CoverageSatellite
- Xfinity1 Gig$60/mo for the first 12 months, then $70/mo1,000 MbpsDownload87Our score$60$70Per month~73.2%CoverageFiber/Cable
- Xfinity1.2/2 Gig$90/mo for the first 12 months, then $100/mo1,200 MbpsDownload86Our score$90$100Per month~73.2%CoverageFiber/Cable
- Xfinity500 Mbps$50/mo for the first 12 months, then $60/mo500 MbpsDownload79Our score$50$60Per month~73.2%CoverageFiber/Cable
- T-MobileAll-In Home Internet$70/mo promotional rate, then $80/mo498 MbpsDownload78Our score$70$80Per month~58.1%Coverage5G Fixed Wireless
- T-MobileRely Home Internet$50/mo promotional rate, then $60/mo354 MbpsDownload77Our score$50$60Per month~58.1%Coverage5G Fixed Wireless
- Verizon5G Home Plus$45/mo promotional rate, then $70/mo1,000 MbpsDownload81Our score$45$70Per month~53.3%Coverage5G Fixed Wireless
- Verizon5G Home$35/mo promotional rate, then $60/mo300 MbpsDownload77Our score$35$60Per month~53.3%Coverage5G Fixed 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 Boulder
Best Fit
Students & Roommates
Choose Quantum Fiber Simply Fiber Internet 200 Mbps at a promotional starting rate of $30/mo; it reaches 28.7% of Boulder.
University Hill’s ZIP 80302 lists Quantum Fiber at 44.8%, useful for shared student connections.
Check first: Coverage is address-specific, even within University Hill’s ZIP 80302.
Best Fit
Remote Workers
Choose Quantum Fiber 940 Mbps / 1 Gig at a $45/mo promotional starting rate; it reaches 28.7% of Boulder.
Quantum Fiber reaches 66.5% in Table Mesa’s ZIP 80305, the strongest listed ZIP share.
Check first: The 940 Mbps / 1 Gig plan’s 28.7% reach still requires exact-address verification.
Best Fit
Gamers & Streamers
Pick Xfinity 1 Gig at a promotional starting rate of $60/mo; its 1,000 Mbps plan reaches 73.2% of Boulder.
In ZIP 80303, Xfinity’s 1,200/35 Mbps cable reaches 58.2%, supporting a strong local cable option.
Check first: Xfinity’s 1 Gig plan reaches 73.2% across Boulder; verify your exact address.
Best Fit
Rural & Edge-of-City Homes
Choose Starlink Residential 100 Mbps at a promotional starting rate of $55/mo; it reaches 100% of Boulder.
Its 100 Mbps residential plan provides the broadest listed plan availability for Boulder edge-of-city addresses.
Check first: Confirm the exact address, despite the plan’s 100% Boulder coverage.
Top ZIP-Level Insights in Boulder
University Hill
Quantum Fiber is currently the strongest option for Fiber-heavy student households.
Quantum Fiber reaches 44.8% in ZIP 80302; Xfinity’s 1,200/35 Mbps cable reaches 18.1%.
North Boulder
Quantum Fiber is currently the strongest option for High-speed fiber seekers.
In ZIP 80304, Quantum Fiber reaches 49.9%, while Xfinity’s 1,200/35 Mbps cable reaches 31.1%.
Table Mesa
Quantum Fiber is currently the strongest option for Broadest neighborhood fiber choice.
Table Mesa’s ZIP 80305 has Quantum Fiber at 66.5%, ahead of Xfinity’s 1,200/35 Mbps cable at 27.0%.
ZIP 80307
Quantum Fiber is currently the strongest option for Broadest listed ZIP fiber reach.
Quantum Fiber covers 98.0% of ZIP 80307, leaving Xfinity’s 1,200/35 Mbps cable at 2.0%.
Internet providers near Boulder
Coverage can change completely a few miles down the road. If you’re moving to or shopping just outside Boulder, check the neighboring market directly.
Boulder Internet FAQs
What is the fastest internet provider in Boulder, CO?
Quantum Fiber offers Boulder’s fastest listed plan at 3,000 Mbps, reaching 0.1% of the city. Its 2 Gig plan reaches 22.7%, while its 940 Mbps / 1 Gig plan reaches 28.7%, so faster service requires careful address-level checking.
Can I get fiber internet in Boulder, CO?
Yes—Quantum Fiber’s Simply Fiber Internet 200 Mbps reaches 28.7% of Boulder, while its 2 Gig plan reaches 22.7%. ZIP patterns vary sharply: Quantum Fiber covers 66.5% in 80305, 49.9% in 80304, and 98.0% in 80307, so verify the exact address.
What is the cheapest internet plan in Boulder, CO?
Boulder’s cheapest listed plan is Quantum Fiber Simply Fiber Internet 200 Mbps at a promotional starting rate of $30/mo for 200 Mbps, reaching 28.7% of the city. It is the minimum-priced option, but availability remains address-specific, including within Boulder ZIPs.
What internet speed do I need in Boulder for gaming and streaming?
For heavy gaming and streaming, Xfinity’s 1 Gig plan provides 1,000 Mbps and reaches 73.2% of Boulder. Quantum Fiber’s 3 Gig plan reaches only 0.1% while offering 3,000 Mbps, so choose based on address availability and whether your household benefits from extra capacity.
What internet is available in University Hill?
In University Hill’s ZIP 80302, Quantum Fiber is listed at 44.8% coverage with 2,000/1,000 Mbps fiber. Xfinity’s 1,200/35 Mbps cable reaches 18.1% there, so compare these options at your address for your household’s needs before ordering.
How We Analyze Internet in Boulder
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
Our proprietary score weights technology type (fiber=100%, cable=85%, etc.) with download (70%) and upload (30%) speeds, ranked as a state percentile.
Coverage Calculation
Provider coverage shows what percentage of census blocks in Boulder report service availability from each provider.
Data Coverage for Boulder
How We Calculate Speed Score
Our Speed Score is a state-level percentile ranking (0-100) that shows how a provider’s service compares to all other internet options available in your state.
The Formula:
We calculate a raw performance score using:
Technology Factor × (Download Speed × 70% + Upload Speed × 30%)
Technology Factors:
Not all connections are equal. We weight each technology based on real-world reliability and performance:
- Fiber: 100% – Fastest, most reliable technology
- Cable: 85% – High speeds, shared neighborhood bandwidth
- Fixed Wireless (Licensed): 70% – Dedicated spectrum, weather-dependent
- Copper/DSL: 65% – Distance-limited, aging infrastructure
- Fixed Wireless (Unlicensed): 60% – Shared spectrum, variable performance
- Satellite (LEO): 40% – Low-earth orbit (e.g., Starlink), higher latency
- Satellite (GEO): 15% – Geostationary orbit, significant latency
Percentile Ranking:
After calculating raw scores, we rank every service option in your state by geographic coverage (census blocks served). A score of 85 means this service performs better than 85% of all internet options available in your state.
Data Source: FCC National Broadband Map data, updated twice a year.
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.