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Duncan has 13 internet options – View all▼
Duncan has one fiber provider, Dobson Fiber, and one cable provider, Sparklight. Symmetric speeds of 10,000 Mbps are available in parts of Duncan.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Dobson Fiber | 10,000 | 10,000 | 94% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Sparklight | 1,000 | 50 | 98% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Windstream Oklahoma | 100 | 3 | 5% |
| AT&T | 25 | 5 | 79% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Nextlink | 1,000 | 1,000 | 99% |
| 360 | 400 | 50 | 99% |
| Verizon | 300 | 20 | 99% |
| Rise | 100 | 20 | 99% |
| AT&T | 100 | 20 | 99% |
| T-Mobile | 100 | 20 | 98% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 99% |
| Viasat | 100 | 3 | 99% |
Broadband Map's availability estimates are based on the census boundaries of Duncan. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Duncan rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing Duncan ISPs' availability as of December 2025).