Skip to main content
InternetProviders.aiAI-Powered Internet Advisor

Cable Internet in Denver, Colorado - Best Cable Providers (February 2026)

Quick Answer: Xfinity is the sole cable internet provider in Denver, CO, covering 94.0% of the city with download speeds up to 1000 Mbps. Cable remains the most widely available high-speed wired broadband technology in Denver. View Xfinity plans or call 1-844-963-0138 to check cable availability at your address.

Best Cable Internet Providers in Denver (CO)

Denver's 715,522 residents can access cable internet through a single provider operating an HFC network with DOCSIS 3.1 technology. Multiple speed tiers are available, from affordable entry-level plans to gigabit service. Here's a look at the offering:

ProviderCoverageStarting PriceMax SpeedCall to Order
Xfinity 94.0% $30+/mo Up to 1000 Mbps 1-844-963-0138

Xfinity Cable Internet in Denver

In Denver, Xfinity cable internet reaches about 94.0% of local addresses via DOCSIS 3.1 technology on their hybrid fiber-coaxial network. No contract required, and Xfinity provides xfinity tv + internet bundles available for those interested in combining TV and internet.

See what Xfinity plans are available at your Denver location. Visit Xfinity plans for Denver or call 1-844-963-0138 for instant availability.

Plan NameDownload SpeedUpload SpeedStarting PriceData Cap
Connect 75 Mbps 10 Mbps $30/mo 1.2 TB
Connect More 200 Mbps 10 Mbps $55/mo 1.2 TB
Fast 400 Mbps 10 Mbps $70/mo 1.2 TB
Superfast 800 Mbps 10 Mbps $80/mo 1.2 TB
Gigabit 1000 Mbps 20 Mbps $90/mo 1.2 TB

Get expert guidance on selecting a cable plan for your Denver home. Xfinity specialists are available at 1-844-963-0138 to discuss your needs and find the best fit.

Cable Internet Market in Denver: Local Insights

The broadband landscape in Denver, Colorado (715,522 population) centers on cable internet delivered through HFC networks. As a densely populated metropolitan area in the Mountain West, Denver has attracted investment from cable operators looking to provide competitive high-speed internet to a growing subscriber base.

With 94.0% coverage, Xfinity is the sole cable internet provider serving Denver. The company has continued to invest in its local HFC infrastructure, supporting speeds that meet the needs of most households. Additional broadband options through the Colorado Broadband Office deployment grants may expand choice in the future.

Other Internet Providers in Denver

If cable internet isn't the right fit for your Denver address, other providers offer viable alternatives using fiber, fixed wireless, 5G, and satellite technologies:

Every broadband technology involves tradeoffs. Fiber delivers the best performance but availability is limited. 5G home internet is expanding rapidly but speeds vary by location. Satellite covers everywhere but has higher latency.

Cable Internet Technology in Denver

Cable internet in Denver is delivered through HFC (hybrid fiber-coaxial) networks, a technology that combines fiber-optic trunk lines with coaxial cable connections running to individual residences. The latest DOCSIS 3.1 standard, deployed across Xfinity's Denver network, enables download speeds up to 1000 Mbps and upload speeds up to 20 Mbps.

A key characteristic of cable internet in Denver is its asymmetric speed profile, where downloads are much faster than uploads. This design works well for the majority of internet activities, including streaming, web browsing, and file downloads. Denver residents who work from home should evaluate whether upload speeds of 10-20 Mbps are sufficient for regular video conferencing and large file transfers.

DOCSIS 4.0, expected to reach Denver in the coming years, will transform cable internet by delivering multi-gigabit symmetric speeds through existing coaxial networks. This evolution ensures that cable technology remains competitive with fiber-optic alternatives, and Xfinity has committed to upgrading its infrastructure when the standard is ready.

Cable networks in Denver operate as shared bandwidth systems, meaning speeds can fluctuate during peak usage hours (typically 7-11 PM). Xfinity manages this through network capacity engineering, but residents in densely populated Denver neighborhoods may notice slower speeds during prime time compared to off-peak hours.

One factor to evaluate when selecting a cable plan in Denver is Xfinity's 1.2 TB monthly data cap. While this is generous enough for typical usage, households with heavy 4K streaming, large cloud backups, and multiple gamers may need unlimited data. Track your usage for a billing cycle before deciding whether to add the unlimited option.

How to Choose Cable Internet in Denver

When shopping for cable internet in Denver, look at each plan as a complete package. Speed is important, but so are factors like data limits, contract flexibility, and the quality of customer support. Xfinity's local reputation and service reliability matter as much as raw download numbers.

When evaluating cable internet plans in Denver, consider these key factors:

  • Speed selection: Calculate your needs by counting simultaneous users. Each 4K stream uses about 25 Mbps, video calls need 5-10 Mbps, and gaming requires 10-25 Mbps. Add these together and pick a plan with at least 25% headroom above your calculated total.
  • Data caps: Some cable providers enforce monthly data limits. A family streaming 4K content for 3 hours daily uses roughly 600-800 GB per month. If your provider has a 1 TB+ cap, you likely have headroom, but heavy gamers and remote workers should calculate their expected usage.
  • Contract terms: Xfinity offers no contract required. Always confirm whether promotional pricing requires a commitment and what the regular rate will be after the promotional period ends.
  • Modem and router: Renting equipment from Xfinity costs $10-$15 per month. Buying your own DOCSIS 3.1 modem (around $80-$150) saves $120-$180 annually. Check Xfinity's approved modem list before purchasing to ensure compatibility with your Denver service.
  • Bundle savings: If you subscribe to cable TV, bundling with internet can reduce your overall bill. Ask about current bundle offers when calling Xfinity at 1-844-963-0138.

Get started with cable internet in Denver. Browse Xfinity plans online or speak with a representative at 1-844-963-0138 to find the best cable plan for your address.

Frequently Asked Questions About Cable Internet in Denver

What is the fastest cable internet speed available in Denver, CO?

Up to 1000 Mbps is available from Xfinity in Denver, making it the fastest cable option in the area. This speed leverages DOCSIS 3.1 technology and provides ample bandwidth for even the most demanding connected households.

Does cable internet in Denver have data caps?

Most Xfinity cable plans in Denver include a 1.2 TB monthly data allowance. This covers typical household usage comfortably, but if multiple family members stream 4K, game online, and download large files regularly, adding unlimited data eliminates the risk of overages.

How does cable internet compare to fiber in Denver?

In Denver, cable internet covers more addresses than fiber due to its established HFC infrastructure. Cable provides excellent download speeds (up to 1000 Mbps) but asymmetric uploads, while fiber delivers symmetric speeds ideal for heavy uploaders. Most families will find cable more than sufficient for daily internet use.

Can I bundle cable TV with internet in Denver?

Xfinity offers several TV and internet bundle options for Denver customers. These packages typically cost $20-$40 less per month than purchasing TV and internet separately. The best way to explore current bundle deals is to call 1-844-963-0138 and ask about available promotions.

What cable internet provider has the best coverage in Denver?

Xfinity has the most extensive cable internet coverage in Denver at 94.0% of the city. As the sole cable provider, Xfinity serves the majority of Denver neighborhoods, though availability can vary by address.

Is cable internet good enough for working from home in Denver?

Absolutely. Cable internet from Xfinity in Denver provides download speeds from 75 to 1000 Mbps, which easily handles video conferencing (Zoom recommends 3.8 Mbps), VPN connections, file uploads, and cloud-based applications. Telecommuters in Denver benefit from cable's strong download speeds for accessing cloud-based work applications, attending video conferences, and downloading project files. An upload speed of 10-20 Mbps handles standard remote work tasks without issues.

For more information about all internet options in Denver, visit our comprehensive Denver, CO internet providers guide. You can also explore detailed pages for individual providers: Xfinity.

InternetProviders.ai may earn commission from some of the providers listed on this page. This does not influence our editorial ratings or reviews. Our recommendations are based on independent research, testing, and analysis. When you call a provider using the phone numbers on this page, we may receive compensation from that provider. Advertised speeds and prices are subject to change and may vary by location. Pricing shown reflects introductory rates and does not include taxes, fees, or equipment rental charges. All trademarks are property of their respective owners.

About the Author: Pablo Mendoza is a Senior Telecom Analyst at InternetProviders.ai with over 8 years of experience covering broadband markets, cable technology, and consumer telecommunications. Pablo specializes in analyzing regional internet availability and helping consumers find the best broadband options in their area. His analysis has been cited by leading technology publications and consumer advocacy organizations.