AT&T
18,280 ZIP codes · 21 states · 1,000 Mbps max
Available Connection Types
Avg across service area: 207 Mbps
Avg across service area: 169 Mbps
Largest Markets
| State | ZIP Codes | % of Coverage |
|---|---|---|
| AT&T in Texas | 1,989 | 11% |
| AT&T in California | 1,803 | 10% |
| AT&T in Illinois | 1,396 | 8% |
| AT&T in Ohio | 1,233 | 7% |
| AT&T in Missouri | 1,035 | 6% |
| AT&T in Florida | 1,013 | 6% |
| AT&T in Michigan | 992 | 5% |
| AT&T in North Carolina | 853 | 5% |
| AT&T in Indiana | 807 | 4% |
| AT&T in Wisconsin | 783 | 4% |
See how your connection compares to AT&T's advertised 1000 Mbps max speed.
Frequently Asked Questions
How many areas does AT&T serve?
AT&T provides internet service in 18,280 ZIP codes across 21 states. The areas served by AT&T have an average Broadband Grade of B (score: 76/100).
What speeds does AT&T offer?
AT&T offers maximum download speeds of 1,000 Mbps and upload speeds of 1,000 Mbps. Average download across their service area is 207 Mbps. Technologies include ADSL2, VDSL, Fiber (FTTH), ADSL.
Does AT&T offer fiber internet?
AT&T does not currently offer fiber-to-the-home internet. Their available technologies include ADSL2, VDSL, Fiber (FTTH), ADSL.
Where is AT&T available?
AT&T is available in 21 states. Their largest markets are Texas (1,989 ZIPs), California (1,803 ZIPs), Illinois (1,396 ZIPs).
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.
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.