Arizona Internet Overview
886 Mbps avg · 417 ZIP codes · 96% fiber · 15 counties
County Grade Distribution
Best Broadband Counties in Arizona
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Graham | A | 1000 Mbps | 100% | 10 |
| Greenlee | A | 1000 Mbps | 100% | 4 |
| Maricopa | B | 1000 Mbps | 100% | 135 |
| Pima | B | 1000 Mbps | 100% | 51 |
| Pinal | B | 1000 Mbps | 100% | 29 |
| Yavapai | B | 1000 Mbps | 100% | 28 |
| Yuma | B | 100 Mbps | 100% | 9 |
| Mohave | C | 1000 Mbps | 100% | 24 |
| Coconino | C | 1000 Mbps | 100% | 26 |
| Cochise | C | 1000 Mbps | 100% | 21 |
| Gila | C | 1000 Mbps | 100% | 10 |
| Santa Cruz | C | 100 Mbps | 0% | 7 |
| La Paz | C | 100 Mbps | 0% | 8 |
| Navajo | C | 1000 Mbps | 100% | 26 |
| Apache | D | 100 Mbps | 100% | 29 |
Slowest Counties in Arizona
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Apache | D | 100 Mbps | 100% | 29 |
| Navajo | C | 1000 Mbps | 100% | 26 |
| La Paz | C | 100 Mbps | 0% | 8 |
| Gila | C | 1000 Mbps | 100% | 10 |
| Santa Cruz | C | 100 Mbps | 0% | 7 |
| Cochise | C | 1000 Mbps | 100% | 21 |
| Mohave | C | 1000 Mbps | 100% | 24 |
| Coconino | C | 1000 Mbps | 100% | 26 |
| Yavapai | B | 1000 Mbps | 100% | 28 |
| Yuma | B | 100 Mbps | 100% | 9 |
| Pinal | B | 1000 Mbps | 100% | 29 |
| Pima | B | 1000 Mbps | 100% | 51 |
| Maricopa | B | 1000 Mbps | 100% | 135 |
| Greenlee | A | 1000 Mbps | 100% | 4 |
| Graham | A | 1000 Mbps | 100% | 10 |
All 15 Counties in Arizona
Internet Providers in Arizona
| Provider | ZIP Codes | Max Speed |
|---|---|---|
| T-Mobile | - | 25 Mbps |
| Lumen (CenturyLink) | - | 940 Mbps |
| Cox Communications | 417 | 1,000 Mbps |
| Transworld Network Corp | 417 | 15 Mbps |
| Choice Splash | 417 | 9 Mbps |
| Phoenix Internet | 417 | 50 Mbps |
| AireBeam | 417 | 20 Mbps |
| Bluespan | 417 | 50 Mbps |
| Simply Bits LLC | 417 | 100 Mbps |
Cities in Arizona
Neighboring States
See how your connection compares to the 886 Mbps average in Arizona.
Frequently Asked Questions
What is the average internet speed in Arizona?
Arizona has an average maximum download speed of 886 Mbps across 417 ZIP codes. 96% of areas have fiber internet access, and the state averages 10 providers per ZIP code.
Which counties in Arizona have the best internet?
The counties with the best broadband in Arizona include Graham (Grade A), Greenlee (Grade A), Maricopa (Grade B). These areas have the fastest average speeds and most provider competition.
How does Arizona compare to the national average?
The national average download speed is 876 Mbps, while Arizona averages 886 Mbps, above the national average. Nationally, 96% of areas have fiber, compared to 96% in Arizona.
For this entity, the underlying data on this page comes from the FCC Broadband Data Collection (BDC). The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the FCC Broadband Data Collection (BDC); the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
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.