Coverage · ZIP 21757
Internet Providers in Keymar, MD (21757)
There are 13 internet providers available in Keymar, MD (ZIP 21757), including Quantum Internet & Telephone, Xfinity Fiber, Xfinity. 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 Keymar, MD (ZIP 21757)
There are 13 residential internet providers available in Keymar, MD (ZIP 21757), including Quantum Internet & Telephone, Xfinity Fiber, Xfinity. 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 |
|---|---|---|---|---|
| Quantum Internet & Telephone | Fiber | 2 Gbps | 2 Gbps | 16% |
| Xfinity Fiber | Fiber | 1.2 Gbps | 100 Mbps | 3% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 63% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 67% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 88% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 78% |
| EarthLink | 5G Home Internet | 10 Mbps | 1 Mbps | 1% |
| MN FWA (unspecified) | 5G Home Internet | 10 Mbps | 1 Mbps | 1% |
| EarthLink | Fixed Wireless | 150 Mbps | 50 Mbps | 35% |
| MN FWA (unspecified) | Fixed Wireless | 150 Mbps | 50 Mbps | 35% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
Internet in Keymar, MD — common questions
How many internet providers are available in Keymar, MD?
There are 13 internet providers available in Keymar, MD (ZIP 21757), including Quantum Internet & Telephone, Xfinity Fiber, Xfinity. Availability varies by exact address.
What is the fastest internet available in 21757?
Quantum Internet & Telephone offers the highest advertised download speed in Keymar, 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 Keymar, 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.