EL DORADO — KS
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| T-MOBILE USA, INC. | 6529 | 4 |
| SOUTHWESTERN BELL | 9533 | 4 |
| ONVOY, LLC - KS | 205F | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | 2 |