Longmont has 9 internet providers competing for nearly 99,000 residents. CenturyLink and Xfinity lead wired coverage, while T-Mobile 5G and Rise Broadband expand wireless options across this Front Range city.
Check availability or call: (Xfinity)
Quick Answer: Best Internet in Longmont
CenturyLink fiber offers the best value in Longmont with price-for-life guarantees at $30-60/month across 88% of the city. Xfinity provides the widest overall coverage at 92% with speeds up to 2 Gbps for households needing premium performance.
- Best value: CenturyLink -- fiber at $30/mo, 88% coverage, no caps
- Best overall: Xfinity -- cable/fiber up to 2 Gbps, 92% coverage
- Best budget wireless: T-Mobile 5G -- $50/mo, 69% coverage
- Best rural: Rise Broadband -- fixed wireless, 33% coverage
Longmont Internet Providers Compared
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Phone |
|---|---|---|---|---|---|---|
| Xfinity | Cable/Fiber | 2 Gbps | $30/mo | 1.2 TB | No | |
| CenturyLink | Fiber/DSL | 940 Mbps | $30/mo | None (Fiber) | No | |
| T-Mobile | 5G/Fixed Wireless | 245 Mbps | $50/mo | None | No | |
| AT&T Internet | Fiber/DSL | 5 Gbps | $55/mo | None (Fiber) | No | |
| Rise Broadband | Fixed Wireless/Fiber | 250 Mbps | $35/mo | Varies | No | |
| Verizon Fios | Fiber | 2 Gbps | $50/mo | None | No | |
| HughesNet | Satellite | 100 Mbps | $50/mo | 100-200 GB | No | |
| Viasat | Satellite | 150 Mbps | $70/mo | 40-300 GB | 2 years | |
| Starlink | Satellite | 220 Mbps | $120/mo | 1 TB (Priority) | No | Online only |
Top Longmont Internet Providers Reviewed
CenturyLink -- Best Value in Longmont
CenturyLink covers 88% of Longmont with fiber and DSL. Their price-for-life guarantee means your rate never increases, making them the best long-term value for budget-conscious households along the Front Range.
Plans: Simply Unlimited (200 Mbps, $30/mo) | Fiber Gigabit (940 Mbps, $60/mo)
Choose if: You want locked-in pricing and reliable fiber at a low monthly cost.
Avoid if: You need speeds above 940 Mbps -- Xfinity offers faster tiers.
CenturyLink:
Sources & Methodology
Provider availability and coverage data for Longmont, CO is sourced from the FCC Broadband Data Collection (BDC) as of December 2024. The FCC requires all internet service providers to report coverage at the location level twice per year. We cross-reference these filings with plan and pricing data collected directly from provider websites.
Our analysis methodology, data sources, and scoring criteria are documented on our methodology page. Coverage percentages represent the share of residential locations in the CBSA where each provider has reported service availability to the FCC. Actual availability may vary by specific address.
Pricing shown reflects publicly advertised rates as of 2026 and may not include taxes, equipment fees, or promotional expiration details. We recommend verifying current pricing directly with the provider. Data verified as of 2026.
Xfinity -- Fastest Wired Speeds in Longmont
Xfinity reaches 92% of Longmont addresses with cable and fiber plans up to 2 Gbps. Their broad plan selection covers everything from basic browsing to multi-gigabit performance.
Plans: Connect (75 Mbps, $30/mo) | Connect More (200 Mbps, $55/mo) | Gigabit (1 Gbps, $80/mo) | Gigabit x2 (2 Gbps, $120/mo)
Choose if: You need the fastest speeds available in Longmont.
Avoid if: The 1.2 TB data cap is a concern for heavy streaming households.
Xfinity:
T-Mobile 5G -- Best Wireless Option
T-Mobile covers 69% of Longmont with 5G home internet at $50/month flat. No installation required -- the gateway ships to your door and activates in minutes.
Plans: Home Internet (up to 245 Mbps, $50/mo)
Choose if: You want fast setup and an affordable no-contract wireless plan.
Avoid if: Your location has weak 5G signal strength near the city's outskirts.
T-Mobile:
Speed and Price Comparison in Longmont
| Speed Tier | CenturyLink | Xfinity | AT&T | T-Mobile |
|---|---|---|---|---|
| 100-200 Mbps | $30/mo | $30-55/mo | -- | $50/mo |
| 300 Mbps | -- | $70/mo | $55/mo | -- |
| 500 Mbps | -- | -- | $65/mo | -- |
| 940 Mbps - 1 Gbps | $60/mo | $80/mo | $80/mo | -- |
| 2 Gbps | -- | $120/mo | $110/mo | -- |
Speed guide: 100 Mbps for 1-2 users, 300 Mbps for families of 3-4, 500 Mbps for heavy streaming, 940 Mbps+ for smart homes. Remote work with many devices.
Longmont Internet Market Overview
Population: 98,885 | CBSA: Boulder (14500) | Providers: 9
Longmont sits along the Front Range between Boulder and Loveland, attracting tech workers and families with a lower cost of living than neighboring Boulder. The city's competitive broadband market includes CenturyLink fiber, Xfinity cable, and the city-owned NextLight municipal fiber network.
Rise Broadband provides fixed wireless service to areas on Longmont's eastern fringe where wired infrastructure is limited. The combination of municipal fiber and strong private competition keeps prices lower than many Colorado communities.
Neighborhood Coverage Guide
- Downtown / Old Town: CenturyLink and Xfinity fully available
- Prospect / Garden Acres: CenturyLink fiber, Xfinity cable
- Hover Crossing: All wired providers, strong T-Mobile 5G
- East Longmont: Rise Broadband fixed wireless, limited wired options
Internet Speed Requirements for Longmont Households
The speed you need in Longmont depends on how many people and devices use your connection simultaneously. A single person streaming video and browsing the web can get by with 50-100 Mbps. A household of 2-3 people with regular streaming and video calls should target 200-300 Mbps. Larger families with 4 or more heavy users benefit from 500 Mbps to 1 Gbps plans, especially when multiple people are streaming in 4K, gaming online, or working from home at the same time.
Upload speed matters just as much as download speed for Longmont residents who work remotely. Video conferencing platforms like Zoom and Teams require at least 5 Mbps upload for stable HD video. 10 Mbps or more for group calls with screen sharing. If multiple household members participate in video calls simultaneously, ensure your plan provides at least 20-25 Mbps upload speed. Fiber plans offer the best upload performance with symmetrical speeds.
How to Choose an Internet Provider in Longmont
Start by checking which providers actually serve your specific address in Longmont, as coverage can vary significantly even within the same city. Enter your address on each provider's website or use our comparison tool to see all available options. Compare the actual speeds offered at your address, not just the provider's maximum advertised speed, since availability of faster tiers depends on local infrastructure.
Beyond speed, compare the total monthly cost including equipment rental fees, installation charges, and price increases after promotional periods end. Providers in Longmont, Colorado may offer different promotions depending on the season and competition in your area. Ask about no-contract options to maintain flexibility, and check whether a provider requires a credit check, as some offer prepaid alternatives. Reading recent customer reviews specific to Longmont gives the most relevant picture of service quality and reliability in your neighborhood.
Local Internet Market Overview in Longmont, CO
The broadband landscape in Longmont, CO continues to evolve as providers invest in network infrastructure and expand coverage. Increased competition among internet service providers has driven improvements in both pricing and performance for Longmont residents. Fiber optic networks are steadily expanding into more neighborhoods, giving consumers faster and more reliable connectivity options. The FCC's ongoing broadband initiatives, including the Broadband Equity, Access. Deployment (BEAD) program, are channeling federal funding into Colorado to close coverage gaps in underserved communities.
Longmont benefits from a competitive broadband market where multiple providers vie for customers, which helps keep monthly rates reasonable. Local infrastructure upgrades mean that residents now have access to gigabit-speed plans that were unavailable just a few years ago. As 5G fixed wireless technology matures, it provides an additional alternative for households seeking high-speed internet without traditional wired connections. Residents should regularly compare available plans, as providers frequently update their offerings and promotional pricing in response to competitive pressure in the Longmont, CO market.
Longmont, CO Internet FAQ
What is the fastest internet available in Longmont, CO?
AT&T Fiber offers up to 5 Gbps in select areas. Xfinity reaches 2 Gbps with broader 92% coverage. CenturyLink fiber tops out at 940 Mbps.
Who is the cheapest internet provider in Longmont?
CenturyLink and Xfinity both start at $30/month. CenturyLink's price-for-life guarantee prevents future rate increases.
Is fiber internet available in Longmont, Colorado?
Yes. CenturyLink fiber (88%), Xfinity fiber (92%), and Verizon Fios (28%) all serve Longmont with fiber-optic connections.
What internet is best for remote workers in Longmont?
CenturyLink fiber delivers symmetrical upload and download speeds, ideal for video conferencing and cloud-based work applications.
Does Longmont have a municipal broadband option?
Yes. NextLight, Longmont's municipal fiber network, provides gigabit service citywide. Contact NextLight directly for current plans and pricing.
What internet speed do I need in Longmont?
Most Longmont households need between 100 and 300 Mbps for reliable performance. A household with 2-3 people streaming, browsing, and video conferencing simultaneously should aim for at least 200 Mbps. Larger families or remote workers with heavy upload needs should consider 300-500 Mbps plans, especially fiber connections that provide symmetrical upload and download speeds.
Are there government internet assistance programs in Colorado?
Yes, Colorado residents can access several federal and state broadband assistance programs. The FCC's Lifeline program offers discounted internet service to qualifying low-income households. Also, Colorado's own broadband office administers state-level grants and subsidy programs aimed at reducing internet costs and expanding infrastructure in underserved areas of the state.
How can I improve my WiFi signal at home?
Place your router in a central, elevated location away from walls and electronic interference. For larger homes in Longmont, consider a mesh WiFi system that uses multiple nodes to blanket your entire house with consistent coverage. Upgrading to a WiFi 6 or WiFi 6E router can also improve performance, especially when many devices connect simultaneously. Regularly restarting your router and keeping firmware updated helps maintain optimal speeds.
Related Resources
Colorado Internet
Provider Pages
Guides
Last updated: February 7, 2026
Disclosure: InternetProviders.ai earns commissions from some providers listed on this page. This does not influence our rankings, which are based on independent research and analysis. Our editorial team evaluates providers based on speed, price, availability, and customer satisfaction. When you a provider through our tracked phone numbers or click affiliate links, we may receive compensation. See our full editorial policy.
Tips to Save on Internet in Longmont
Internet costs in Longmont, Colorado can be managed with a few strategic approaches:
- Negotiate at renewal time — When your promotional rate expires, your provider's retention department. Mentioning competitor offers from other Longmont providers often results in extended discounts or upgraded speeds at the same price.
- Use your own equipment — Renting a modem and router from your ISP costs $10-15/month ($120-180/year). Buying a compatible modem ($80-120) and a quality router ($100-200) saves money within the first year.
- Check for low-income programs — The FCC's Affordable Connectivity Program and provider-specific programs like Spectrum Internet Assist or AT&T Access offer reduced-rate plans for qualifying Longmont households.
- Right-size your plan — If speed tests show you consistently use less than half your plan's rated speed, downgrading can save $20-40/month without affecting your experience.
- Look for seasonal promotions — Internet providers in Longmont frequently offer improved deals during back-to-school season (August-September) and moving season (May-June).
Can I get gigabit internet in Longmont, CO?
Gigabit internet (1,000 Mbps) is available in many parts of Longmont through fiber and select cable plans. Availability depends on your exact address — fiber coverage continues to expand but doesn't yet reach all neighborhoods. Some providers also offer multi-gigabit plans up to 2-5 Gbps in areas with the newest infrastructure.
When is the best time to switch internet providers in Longmont?
The best time to switch is when your current promotional rate expires, typically after 12-24 months. Back-to-school season (August-September) and moving season (May-June) often bring the best promotional offers from Longmont providers. Also watch for holiday promotions around Black Friday and the new year.