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There are 15 residential internet providers available in Porterville, CA (ZIP 93257), including AT&T Fiber, Ducor Telephone Company, 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 |
|---|---|---|---|---|
| AT&T Fiber | Fiber | 5 Gbps | 5 Gbps | 22% |
| Ducor Telephone Company | Fiber | 1 Gbps | 1 Gbps | 0% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 0% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 47% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 66% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 32% |
| Applied Technology Group | Fixed Wireless | 500 Mbps | 500 Mbps | 1% |
| unWired | Fixed Wireless | 400 Mbps | 50 Mbps | 12% |
| Cal.net | Fixed Wireless | 100 Mbps | 20 Mbps | 1% |
| 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 | 43% |
| Ducor Telephone Company | DSL | 25 Mbps | 3 Mbps | 0% |
| Frontier | DSL | 10 Mbps | 1 Mbps | 0% |
* 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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