MAPLE VLY — WA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | 3 |
| QWEST CORPORATION | 9638 | 3 |
| ONVOY, LLC - WA | 483E | 2 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 1 |