Coverage · Maryland
Internet providers in Maryland
56 internet providers serve Maryland across 450 ZIP codes, with fiber filed in 87% of them. Compare the largest providers, browse coverage by city, then check your exact address.
How coverage really works
Two houses on one street can get different answers.
Providers file availability by location, and we summarize those filings up to ZIP level. It tells you who reports serving the area — the provider confirms your own address when you order.
Largest internet providers in Maryland
Ranked by the number of Maryland ZIP codes each provider reports serving.
| Provider | ZIP codes served | Top filed speed |
|---|---|---|
| T-Mobile Home Internet | 437 | 100 Mbps |
| AT&T Internet Air | 431 | 100 Mbps |
| Xfinity | 368 | 2 Gbps |
| Verizon 5G Home | 342 | 1 Gbps |
| Verizon Fios | 251 | 2 Gbps |
| Xfinity Fiber | 133 | 10 Gbps |
| Believe Broadband | 123 | 1 Gbps |
| Breezeline | 78 | 1 Gbps |
| Bloosurf | 61 | 1 Gbps |
| Astound | 53 | 1.5 Gbps |
Coverage by city in Maryland
Other states
Coverage data: FCC Broadband Data Collection (December 2024) — broadbandmap.fcc.gov. Availability is address-specific within each ZIP code. Satellite internet is sold nationwide, but each install has to qualify on site — a clear view of the sky and a place to mount the dish.