Coverage · ZIP 03873
Internet Providers in Sandown, NH (03873)
There are 10 internet providers available in Sandown, NH (ZIP 03873), including Fidium, Granite State Communications, 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 Sandown, NH (ZIP 03873)
There are 10 residential internet providers available in Sandown, NH (ZIP 03873), including Fidium, Granite State Communications, 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 |
|---|---|---|---|---|
| Fidium | Fiber | 2 Gbps | 2 Gbps | 11% |
| Granite State Communications | Fiber | 1 Gbps | 1 Gbps | 93% |
| Xfinity | Cable | 2 Gbps | 2 Gbps | 96% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 94% |
| AT&T Internet Air | 5G Home Internet | 30 Mbps | 3 Mbps | 45% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| Consolidated | DSL | 10 Mbps | 1 Mbps | 15% |
| Granite State Communications | DSL | — | — | 1% |
Internet in Sandown, NH — common questions
How many internet providers are available in Sandown, NH?
There are 10 internet providers available in Sandown, NH (ZIP 03873), including Fidium, Granite State Communications, Xfinity. Availability varies by exact address.
What is the fastest internet available in 03873?
Fidium offers the highest advertised download speed in Sandown, NH at up to 2 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Sandown, NH?
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.