Coverage · ZIP 80503
Internet Providers in Longmont, CO (80503)
There are 21 internet providers available in Longmont, CO (ZIP 80503), including NextLight, Quantum Fiber, Xfinity Fiber. Compare each provider below by technology, maximum advertised speed, and area coverage, then call (833) 261-0564 for help choosing a plan. Coverage data is sourced from the FCC National Broadband Map.
Internet providers in Longmont, CO (ZIP 80503)
There are 21 residential internet providers available in Longmont, CO (ZIP 80503), including NextLight, Quantum Fiber, Xfinity Fiber. The table below lists each provider with its technology type, maximum advertised speeds, and area coverage, sourced from the FCC National Broadband Map.
| Provider | Technology | Max download | Max upload | Area coverage |
|---|---|---|---|---|
| NextLight | Fiber | 10 Gbps | 10 Gbps | 46% |
| Quantum Fiber | Fiber | 2 Gbps | 1 Gbps | 5% |
| Xfinity Fiber | Fiber | 1.2 Gbps | 200 Mbps | 0% |
| Lyons Communications | Fiber | 1 Gbps | 1 Gbps | 2% |
| CenturyLink Fiber | Fiber | 1 Gbps | 1 Gbps | 2% |
| Fiber Fast Homes | Fiber | 1 Gbps | 1 Gbps | 0% |
| xBar7 Communications inc | Fiber | 200 Mbps | 200 Mbps | 0% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 66% |
| Lyons Communications | Cable | 500 Mbps | 50 Mbps | 1% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 49% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 78% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 44% |
| Ayva Networks | Fixed Wireless | 1 Gbps | 1 Gbps | 18% |
| Lyons Communications | Fixed Wireless | 200 Mbps | 30 Mbps | 9% |
| xBar7 Communications inc | Fixed Wireless | 200 Mbps | 200 Mbps | 1% |
| Rise Broadband | Fixed Wireless | 100 Mbps | 20 Mbps | 52% |
| HILLTOP BROADBAND | Fixed Wireless | 50 Mbps | 15 Mbps | 12% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| CenturyLink | DSL | 140 Mbps | 20 Mbps | 74% |
Internet in Longmont, CO — common questions
How many internet providers are available in Longmont, CO?
There are 21 internet providers available in Longmont, CO (ZIP 80503), including NextLight, Quantum Fiber, Xfinity Fiber. Availability varies by exact address.
What is the fastest internet available in 80503?
NextLight offers the highest advertised download speed in Longmont, CO at up to 10 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Longmont, CO?
Enter your ZIP code on Ziatan to see every provider serving your block, then call (833) 261-0564 for help comparing plans and pricing — free, with no signup required.