Coverage · ZIP 21163
Internet Providers in Granite, MD (21163)
There are 10 internet providers available in Granite, MD (ZIP 21163), including Verizon Fios, Quantum Internet & Telephone, 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 Granite, MD (ZIP 21163)
There are 10 residential internet providers available in Granite, MD (ZIP 21163), including Verizon Fios, Quantum Internet & Telephone, 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 |
|---|---|---|---|---|
| Verizon Fios | Fiber | 940 Mbps | 880 Mbps | 85% |
| Quantum Internet & Telephone | Fiber | 100 Mbps | 100 Mbps | 24% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 79% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 28% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 86% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 71% |
| Believe Broadband | Fixed Wireless | 10 Mbps | 1 Mbps | 43% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
Internet in Granite, MD — common questions
How many internet providers are available in Granite, MD?
There are 10 internet providers available in Granite, MD (ZIP 21163), including Verizon Fios, Quantum Internet & Telephone, Xfinity. Availability varies by exact address.
What is the fastest internet available in 21163?
Xfinity offers the highest advertised download speed in Granite, 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 Granite, 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.