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There are 16 residential internet providers available in Diamond, MO (ZIP 64840), including Granby Telephone Company, GTC Broadband, Mediacom. 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 |
|---|---|---|---|---|
| Granby Telephone Company | Fiber | 1 Gbps | 1 Gbps | 71% |
| GTC Broadband | Fiber | 1 Gbps | 1 Gbps | 6% |
| Mediacom | Cable | 1 Gbps | 50 Mbps | 43% |
| Optimum | Cable | 500 Mbps | 20 Mbps | 1% |
| Wisper | 5G Home Internet | 400 Mbps | 30 Mbps | 81% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 55% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 69% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 32% |
| US Cellular | 5G Home Internet | 25 Mbps | 3 Mbps | 89% |
| Total HighSpeed | Fixed Wireless | 30 Mbps | 10 Mbps | 13% |
| Wisper | Fixed Wireless | 25 Mbps | 3 Mbps | 15% |
| 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 | 10 Mbps | 1 Mbps | 2% |
| Brightspeed | DSL | 10 Mbps | 1 Mbps | 1% |
* 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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