OLATHE — KS
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 15 |
| ONVOY, LLC - KS | 205F | 5 |
| LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | 3 |
| EVERFAST FIBER NETWORKS LLC | 3915 | 3 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 3 |