Coverage · ZIP 06870
Internet Providers in Old Greenwich, CT (06870)
There are 11 internet providers available in Old Greenwich, CT (ZIP 06870), including Optimum Fiber, Frontier 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 Old Greenwich, CT (ZIP 06870)
There are 11 residential internet providers available in Old Greenwich, CT (ZIP 06870), including Optimum Fiber, Frontier 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 |
|---|---|---|---|---|
| Optimum Fiber | Fiber | 8 Gbps | 8 Gbps | 89% |
| Frontier Fiber | Fiber | 7 Gbps | 7 Gbps | 88% |
| Verizon Fios | Fiber | 940 Mbps | 880 Mbps | 4% |
| Optimum | Cable | 940 Mbps | 35 Mbps | 93% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 36% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 70% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 57% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| Frontier | DSL | 90 Mbps | 6 Mbps | 40% |
Internet in Old Greenwich, CT — common questions
How many internet providers are available in Old Greenwich, CT?
There are 11 internet providers available in Old Greenwich, CT (ZIP 06870), including Optimum Fiber, Frontier Fiber, Verizon Fios. Availability varies by exact address.
What is the fastest internet available in 06870?
Optimum Fiber offers the highest advertised download speed in Old Greenwich, CT at up to 8 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Old Greenwich, CT?
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.