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There are 14 residential internet providers available in Castalian Spring, TN (ZIP 37031), including AT&T Fiber, Xfinity Fiber, Tri-County Fiber Communications. 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 |
|---|---|---|---|---|
| AT&T Fiber | Fiber | 5 Gbps | 5 Gbps | 1% |
| Xfinity Fiber | Fiber | 2 Gbps | 250 Mbps | 3% |
| Tri-County Fiber Communications | Fiber | 1 Gbps | 1 Gbps | 65% |
| Cumblerand Connect | Fiber | 1 Gbps | 1 Gbps | 28% |
| North Central Telephone Cooperative | Fiber | 1 Gbps | 1 Gbps | 1% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 51% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 71% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 79% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 41% |
| US Cellular | 5G Home Internet | 10 Mbps | 1 Mbps | 3% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| AT&T Internet | DSL | 100 Mbps | 20 Mbps | 54% |
* Starting prices and promotions shown are indicative national offers for select major providers, as of May 2026. Actual pricing varies by address, plan, and promotion, and changes frequently — most intro rates require AutoPay/paperless and exclude taxes & fees. Confirm current pricing and offers directly with the provider before ordering. See our Disclaimer.
Coverage data sourced live from our national broadband dataset (Dec 2024). Try a popular ZIP:
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