Coverage · ZIP 21791
Internet Providers in Unionville, MD (21791)
There are 15 internet providers available in Unionville, MD (ZIP 21791), including Antietam Cable, Xfinity Fiber, Glo Fiber. 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 Unionville, MD (ZIP 21791)
There are 15 residential internet providers available in Unionville, MD (ZIP 21791), including Antietam Cable, Xfinity Fiber, Glo Fiber. 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 |
|---|---|---|---|---|
| Antietam Cable | Fiber | 5 Gbps | 5 Gbps | 39% |
| Xfinity Fiber | Fiber | 5 Gbps | 5 Gbps | 2% |
| Glo Fiber | Fiber | 5 Gbps | 5 Gbps | 1% |
| Quantum Internet & Telephone | Fiber | 2 Gbps | 2 Gbps | 7% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 63% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 20 Mbps | 51% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 90% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 84% |
| EarthLink | 5G Home Internet | 30 Mbps | 10 Mbps | 1% |
| MN FWA (unspecified) | 5G Home Internet | 30 Mbps | 10 Mbps | 1% |
| MN FWA (unspecified) | Fixed Wireless | 250 Mbps | 250 Mbps | 9% |
| EarthLink | Fixed Wireless | 100 Mbps | 30 Mbps | 10% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
Internet in Unionville, MD — common questions
How many internet providers are available in Unionville, MD?
There are 15 internet providers available in Unionville, MD (ZIP 21791), including Antietam Cable, Xfinity Fiber, Glo Fiber. Availability varies by exact address.
What is the fastest internet available in 21791?
Antietam Cable offers the highest advertised download speed in Unionville, MD at up to 5 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Unionville, 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.