Xfinity is available in South Plainfield. Call 833-848-2575 • Sponsored Xfinity is available in South Plainfield. Check plans and availability or call 833-848-2575 • Sponsored
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South Plainfield has 9 internet options – View all▼
South Plainfield has multiple fiber providers, including Verizon and Optimum. Symmetric speeds of 8,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Optimum | 8,000 | 8,000 | 32% |
| Verizon | 2,048 | 2,048 | 100% |
| Xfinity | 2,000 | 250 | 6% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 250 | 94% |
| Optimum | 940 | 35 | 63% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | 100% |
| T-Mobile | 100 | 20 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 100% |
Broadband Map's availability estimates are based on the census boundaries of South Plainfield. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in South Plainfield rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing South Plainfield ISPs' availability as of June 2025).