Colorado Internet Overview
873 Mbps avg · 528 ZIP codes · 99% fiber · 64 counties
County Grade Distribution
Best Broadband Counties in Colorado
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Phillips | A | 1000 Mbps | 100% | 4 |
| Montrose | A | 1000 Mbps | 100% | 8 |
| Delta | A | 1000 Mbps | 100% | 6 |
| Costilla | A | 1000 Mbps | 100% | 6 |
| Morgan | A | 1000 Mbps | 100% | 7 |
| Boulder | A | 1000 Mbps | 100% | 18 |
| Larimer | A | 1000 Mbps | 100% | 18 |
| Moffat | A | 1000 Mbps | 100% | 5 |
| Logan | A | 1000 Mbps | 100% | 8 |
| Denver | A | 1000 Mbps | 100% | 31 |
| Conejos | A | 1000 Mbps | 100% | 6 |
| Yuma | A | 1000 Mbps | 100% | 7 |
| Mineral | A | 100 Mbps | 100% | 1 |
| Gunnison | A | 1000 Mbps | 100% | 10 |
| Rio Grande | A | 1000 Mbps | 100% | 3 |
Slowest Counties in Colorado
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Lincoln | D | 100 Mbps | 100% | 7 |
| Baca | D | 100 Mbps | 100% | 6 |
| Crowley | D | 1000 Mbps | 100% | 4 |
| San Juan | D | 100 Mbps | 0% | 1 |
| Kiowa | D | 100 Mbps | 100% | 4 |
| Hinsdale | D | 100 Mbps | 100% | 1 |
| Cheyenne | D | 25 Mbps | 100% | 4 |
| Bent | D | 100 Mbps | 100% | 4 |
| Custer | C | 100 Mbps | 100% | 2 |
| Washington | C | 1000 Mbps | 100% | 6 |
| Dolores | C | 100 Mbps | 100% | 5 |
| Jackson | C | 1000 Mbps | 100% | 4 |
| Huerfano | C | 1000 Mbps | 100% | 4 |
| Park | C | 1000 Mbps | 100% | 10 |
| Las Animas | C | 100 Mbps | 100% | 9 |
All 64 Counties in Colorado
Internet Providers in Colorado
| Provider | ZIP Codes | Max Speed |
|---|---|---|
| T-Mobile | - | 25 Mbps |
| Charter (Spectrum) | - | 1,000 Mbps |
| Comcast (Xfinity) | - | 2,000 Mbps |
| Lumen (CenturyLink) | - | 940 Mbps |
| Rise Broadband | 528 | 250 Mbps |
| KellinCommunications | 528 | 50 Mbps |
| Aerux Broadband | 528 | 100 Mbps |
| Pci | 528 | 50 Mbps |
Cities in Colorado
Neighboring States
See how your connection compares to the 873 Mbps average in Colorado.
Frequently Asked Questions
What is the average internet speed in Colorado?
Colorado has an average maximum download speed of 873 Mbps across 528 ZIP codes. 99% of areas have fiber internet access, and the state averages 10 providers per ZIP code.
Which counties in Colorado have the best internet?
The counties with the best broadband in Colorado include Phillips (Grade A), Montrose (Grade A), Delta (Grade A). These areas have the fastest average speeds and most provider competition.
How does Colorado compare to the national average?
The national average download speed is 876 Mbps, while Colorado averages 873 Mbps, below the national average. Nationally, 96% of areas have fiber, compared to 99% in Colorado.
The this entity record above pulls directly from the FCC Broadband Data Collection (BDC). What follows is the per-entity context — how this entity sits in the broader U.S. internet availability and broadband speed distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the FCC Broadband Data Collection (BDC) portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: FCC Broadband Data Collection, 2026.