SILVERDALE — WA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | 12 |
| QWEST CORPORATION | 9638 | 9 |
| T-MOBILE USA, INC. | 6529 | 5 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | 2 |