Live coverage data
Enter your ZIP to see fiber, cable, 5G home and satellite carriers available right now.
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% |
* Starting prices and promotions shown are indicative national offers for select major providers, as of May 2026. Actual pricing varies by address, plan, and promotion, and changes frequently — most intro rates require AutoPay/paperless and exclude taxes & fees. Confirm current pricing and offers directly with the provider before ordering. See our Disclaimer.
Coverage data sourced live from our national broadband dataset (Dec 2024). Try a popular ZIP:
We couldn't find internet carriers for that ZIP. Try a different code, or call our team — we'll match you with the right plan in 60 seconds.
Call (833) 261-0564