Coverage · ZIP 21401
Internet Providers in Cape Saint Clair, MD (21401)
There are 12 internet providers available in Cape Saint Clair, MD (ZIP 21401), including Xfinity Fiber, Astound Fiber, Verizon Fios. 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 Cape Saint Clair, MD (ZIP 21401)
There are 12 residential internet providers available in Cape Saint Clair, MD (ZIP 21401), including Xfinity Fiber, Astound Fiber, Verizon Fios. 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 Fiber | Fiber | 3 Gbps | 3 Gbps | 10% |
| Astound Fiber | Fiber | 1.5 Gbps | 1.5 Gbps | 1% |
| Verizon Fios | Fiber | 940 Mbps | 880 Mbps | 73% |
| ResiBridge | Fiber | 300 Mbps | 300 Mbps | 0% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 78% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 48% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 76% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 71% |
| Believe Broadband | Fixed Wireless | 500 Mbps | 100 Mbps | 6% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
Internet in Cape Saint Clair, MD — common questions
How many internet providers are available in Cape Saint Clair, MD?
There are 12 internet providers available in Cape Saint Clair, MD (ZIP 21401), including Xfinity Fiber, Astound Fiber, Verizon Fios. Availability varies by exact address.
What is the fastest internet available in 21401?
Xfinity Fiber offers the highest advertised download speed in Cape Saint Clair, MD at up to 3 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Cape Saint Clair, 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.