Coverage · ZIP 21821
Internet Providers in Deal Island, MD (21821)
There are 6 internet providers available in Deal Island, MD (ZIP 21821), including Xfinity, AT&T Internet Air, Bloosurf. 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 Deal Island, MD (ZIP 21821)
There are 6 residential internet providers available in Deal Island, MD (ZIP 21821), including Xfinity, AT&T Internet Air, Bloosurf. 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 |
|---|---|---|---|---|
| Xfinity | Cable | 2 Gbps | 250 Mbps | 27% |
| AT&T Internet Air | 5G Home Internet | 30 Mbps | 3 Mbps | 15% |
| Bloosurf | 5G Home Internet | 25 Mbps | 3 Mbps | 33% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
Internet in Deal Island, MD — common questions
How many internet providers are available in Deal Island, MD?
There are 6 internet providers available in Deal Island, MD (ZIP 21821), including Xfinity, AT&T Internet Air, Bloosurf. Availability varies by exact address.
What is the fastest internet available in 21821?
Xfinity offers the highest advertised download speed in Deal Island, MD at up to 2 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Deal Island, MD?
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.