Fiber Internet in Longmont, Colorado - Best Fiber Providers (February 2026)
In Longmont, CO, Xfinity is the top fiber provider at 92.1% city coverage. CenturyLink follows at 88.4%, and 3 additional providers round out the market. FTTH internet in Longmont starts at $30/mo.
Best Fiber Internet Providers in Longmont
Longmont, Colorado is served by 5 fiber internet providers, covering a population of 98,885 residents. The following table compares all available fiber options in the Longmont market.
| Provider | Technology | Coverage | Max Speed | Starting Price |
|---|---|---|---|---|
| Xfinity | FTTP/HFC | 92.1% | 1,200 Mbps | $35/mo |
| CenturyLink | FTTH | 88.4% | 940 Mbps | $30/mo |
| Rise Broadband | FTTH/Fixed Wireless | 33.4% | 1,000 Mbps | $35/mo |
| AT&T Internet | FTTH/FTTP | 31.3% | 2,000 Mbps | $55/mo |
| Verizon Fios | FTTH | 28.1% | 940 Mbps | $49.99/mo |
Xfinity Fiber in Longmont, CO
Covering roughly 92.1% of Longmont, Xfinity is an established fiber provider in the area. Leveraging FTTP/HFC infrastructure, Xfinity provides low-latency, high-bandwidth service well suited for streaming, gaming, and remote work.
| Plan | Download Speed | Price |
|---|---|---|
| Connect More | 200 Mbps | $35/mo |
| Fast | 400 Mbps | $55/mo |
| Superfast | 800 Mbps | $65/mo |
| Gigabit | 1,200 Mbps | $75/mo |
Get Xfinity in Longmont: 1-844-963-0138 - Check plans and availability at your address.
Check Xfinity Plans in Longmont
CenturyLink Fiber in Longmont, CO
Approximately 88.4% of Longmont addresses have access to CenturyLink's fiber network. Leveraging FTTH infrastructure, CenturyLink provides low-latency, high-bandwidth service well suited for streaming, gaming, and remote work.
| Plan | Download Speed | Price |
|---|---|---|
| Fiber 200 | 200 Mbps | $30/mo |
| Fiber 500 | 500 Mbps | $50/mo |
| Fiber Gig | 940 Mbps | $70/mo |
Get CenturyLink in Longmont: 1-855-512-4817 - Check plans and availability at your address.
Check CenturyLink Plans in Longmont
Rise Broadband Fiber in Longmont, CO
With 33.4% coverage across Longmont, Rise Broadband delivers fiber internet to a significant portion of the city. Their FTTH/Fixed Wireless deployment ensures Longmont subscribers receive dedicated fiber bandwidth with consistent performance regardless of peak usage times.
| Plan | Download Speed | Price |
|---|---|---|
| Fiber 100 | 100 Mbps | $35/mo |
| Fiber 250 | 250 Mbps | $55/mo |
| Fiber Gig | 1,000 Mbps | $85/mo |
Get Rise Broadband in Longmont: 1-877-910-6207 - Check plans and availability at your address.
Check Rise Broadband Plans in Longmont
AT&T Internet Fiber in Longmont, CO
AT&T Internet has deployed fiber infrastructure covering 31.3% of Longmont's residential addresses. Their FTTH/FTTP deployment ensures Longmont subscribers receive dedicated fiber bandwidth with consistent performance regardless of peak usage times.
| Plan | Download Speed | Price |
|---|---|---|
| Fiber 300 | 300 Mbps | $55/mo |
| Fiber 500 | 500 Mbps | $65/mo |
| Fiber 1 Gig | 1,000 Mbps | $80/mo |
| Fiber 2 Gig | 2,000 Mbps | $150/mo |
AT&T Internet Availability: Call 1-855-850-5977 to verify fiber service at your Longmont address and explore current deals.
Check AT&T Internet Plans in Longmont
Verizon Fios Fiber in Longmont, CO
Covering roughly 28.1% of Longmont, Verizon Fios is a growing fiber provider in the area. Using FTTH technology, Verizon Fios delivers symmetrical upload and download speeds that outperform traditional cable and DSL connections.
| Plan | Download Speed | Price |
|---|---|---|
| Fios 300 | 300 Mbps | $49.99/mo |
| Fios 500 | 500 Mbps | $69.99/mo |
| Fios 1 Gig | 940 Mbps | $89.99/mo |
Get Verizon Fios in Longmont: 1-855-387-1456 - Check plans and availability at your address.
Check Verizon Fios Plans in Longmont
Fiber Internet Market in Longmont
Fiber-to-the-home internet in Longmont, CO has become increasingly accessible as 5 providers build out their networks across a growing community of 98,885 residents. The city enjoys a highly competitive fiber landscape with multiple providers vying for customers, with Xfinity covering 92.1% of addresses. The region's semi-arid continental climate creates no special challenges for fiber infrastructure, ensuring consistent performance.
Best Neighborhoods for Fiber in Longmont
Longmont's fiber-served areas span the majority of the city's residential zones, with Xfinity and CenturyLink covering the largest footprints. Areas near schools, hospitals, and retail centers frequently have the best multi-provider options, as fiber providers prioritize neighborhoods with high community traffic and demand.
Fiber Expansion Updates
Fiber expansion momentum in Longmont remains strong, fueled by consumer demand, inter-provider competition between Xfinity and CenturyLink, and state investment through the Colorado Broadband Office's grant program. The city has seen its total fiber coverage percentage climb steadily, with no signs of the trend slowing.
Fiber Internet Technology in Longmont
The fiber internet available in Longmont relies on fiber-to-the-home technology, where glass optical cables carry data as light signals directly to your residence. This approach delivers performance that traditional copper-based internet services in Longmont cannot replicate.
Symmetrical speeds are a hallmark of fiber internet in Longmont. Unlike cable internet where upload speeds are typically a fraction of download speeds, fiber plans from providers like Xfinity deliver equal upload and download performance. This is critical for Longmont residents who work from home, participate in video conferences, or upload content to cloud services.
Latency as low as 1-5 milliseconds makes fiber in Longmont ideal for online gaming, real-time video streaming, and VoIP calls. Cable internet typically delivers 15-30ms latency, while DSL can reach 25-50ms. For Longmont households with multiple simultaneous users, fiber's low latency means smoother performance across all devices.
Future-proof infrastructure means Longmont's fiber networks can be upgraded to support speeds of 10 Gbps and beyond without replacing the physical cables. As bandwidth demands increase with 4K/8K streaming, virtual reality, and smart home devices, fiber subscribers in Longmont are positioned for decades of reliable, high-speed service.
How to Choose Fiber in Longmont
Finding the right fiber plan in Longmont starts with checking address-level availability. Despite city-wide coverage percentages, actual availability varies block by block. Xfinity and CenturyLink are the most widely available options. Once you confirm which providers serve your address, compare total costs including equipment fees and installation charges. Plans begin at $30/mo.
Matching speed to needs: Consider how many devices connect simultaneously in your Longmont home. Each 4K stream needs roughly 25 Mbps, gaming requires 50-100 Mbps for optimal performance, and video conferencing uses 5-10 Mbps. Add these up and choose a plan with headroom above your total. Most Longmont families are well-served at 300-500 Mbps.
Budget planning: Fiber prices in Longmont start as low as $30/mo. Consider the total cost including equipment fees, installation charges, and any promotional rate expirations. Many Longmont fiber providers offer no-contract plans that provide flexibility.
Other Internet Providers in Longmont
While fiber is the premium choice, Longmont residents in areas without fiber coverage may also consider these providers:
- T-Mobile (69.4% coverage): Call 1-844-275-9311 | View Plans
Why Fiber Matters for Longmont Residents
In Longmont, the shift toward fiber internet reflects a broader trend of residents demanding better broadband performance. With 98,885 people calling Longmont home, the demand for reliable, symmetrical high-speed internet grows each year, driven by remote work, streaming, smart home devices, and cloud computing.
Home businesses in Longmont operate more effectively with fiber internet's dedicated bandwidth and symmetrical speeds. Whether running an e-commerce store, providing virtual consultations, or managing cloud-based business software, fiber ensures that business operations aren't degraded by other household internet usage happening simultaneously.
The value proposition of fiber internet in Longmont extends beyond raw speed. Fiber networks experience fewer outages than cable or DSL, require less maintenance, and deliver more consistent speeds during peak evening hours when neighborhood bandwidth demand is highest. For Longmont residents who prioritize reliability, fiber is the clear choice.
Remote work has permanently changed how Longmont residents use their home internet. Video conferencing platforms like Zoom and Microsoft Teams require stable upload speeds, and fiber's symmetrical connection ensures video and audio quality remain crisp even when other household members are streaming or gaming simultaneously. Unlike cable internet that shares bandwidth with neighbors, fiber connections in Longmont provide dedicated bandwidth to each home.
For families in Longmont with school-age children, fiber internet supports simultaneous virtual learning, homework research, and educational streaming without the buffering or slowdowns common on cable and DSL connections. The growing adoption of cloud-based educational tools makes reliable, high-speed internet a necessity rather than a luxury for Longmont households.
Fiber Internet FAQs for Longmont, CO
Who has the best fiber internet in Longmont, CO?
Xfinity offers the most widespread fiber coverage in Longmont at 92.1% of the city, followed by CenturyLink at 88.4%. 5 fiber providers serve Longmont's 98,885 residents. For the best combination of speed and value, compare all available options at your specific address, as coverage varies by neighborhood.
How much does fiber internet cost in Longmont?
Fiber internet in Longmont starts at $30/mo from CenturyLink. Most providers offer tiered plans ranging from entry-level speeds around 200-300 Mbps to gigabit and multi-gigabit options. Typical households find that plans between $50-80/mo deliver excellent performance for streaming, gaming, and remote work.
Does fiber internet have data caps in Longmont?
Most fiber providers in Longmont, including CenturyLink and AT&T Internet and Verizon Fios, do not enforce data caps on their fiber plans. This is a significant advantage over cable internet, where providers may impose monthly usage limits. Check individual provider policies, as data cap terms can vary by plan tier.
Do I need a contract for fiber internet in Longmont?
Many fiber providers in Longmont now offer no-contract plans, giving you flexibility to switch or cancel without early termination fees. Xfinity and most competitors provide month-to-month options, though some promotional pricing may require a 12-24 month commitment. Always read the terms before signing up.
How does Longmont's fiber compare to nearby cities?
Longmont's fiber market, with 5 providers covering a population of 98,885, is highly competitive for a city of its size. The combination of provider competition and state broadband investment has positioned Longmont residents with solid fiber options.
What is the fastest fiber internet available in Longmont?
The fastest fiber internet in Longmont reaches up to 2 Gbps from select providers. Multiple providers offer gigabit-class service: Xfinity (1,200 Mbps for $75/mo), CenturyLink (940 Mbps for $70/mo), Rise Broadband (1,000 Mbps for $85/mo), AT&T Internet (1,000 Mbps for $80/mo). For most residential uses, even 500 Mbps fiber delivers excellent performance; multi-gigabit plans are best suited for tech enthusiasts and home businesses.
Explore More Internet Options in Longmont
- All Internet Providers in Longmont, CO
- Xfinity Plans and Coverage
- CenturyLink Plans and Coverage
- Rise Broadband Plans and Coverage
- AT&T Internet Plans and Coverage
- Cheap Internet in Longmont
- Cable Internet in Longmont
Disclosure: InternetProviders.ai may earn commission from purchases made through links on this page. This does not influence our rankings or recommendations. Our editorial team independently evaluates providers based on speed, coverage, pricing, and customer satisfaction to help you make the best decision for your household. All prices and availability are subject to change. Data last verified February 2026.