TOPPENISH — WA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA | 4521 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | 2 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA | 4521 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | 2 |