PACIFIC BELL
206 prefixes in 925 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 925-974 | WALNUT CRK | 9740 | — | — |
| 925-975 | WALNUT CRK | 9740 | — | — |
| 925-977 | WALNUT CRK | 9740 | — | — |
| 925-978 | ANTIOCH | 9740 | — | Yes |
| 925-979 | WALNUT CRK | 9740 | — | Yes |
| 925-988 | WALNUT CRK | 9740 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.