LK PRESTON — SD
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - SD | 162G | 1 |
| VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM | 363J | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |
| MCC TELEPHONY OF THE MID-WEST, LLC - SD | 920F | 1 |
| QWEST CORPORATION | 9631 | 1 |