Local Calling Guide
Area code/prefix search
Switch: WNCKCA11DS1
- Switch name: WALNUT CREEK
- Switch type: DMH
- See all switches at this location
| NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|
| 925-256 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-287 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-746 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-930 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-932 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-934 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-935 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-943 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-944 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-945 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-946 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-947 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-952 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 | |||
| 925-977 | A | Walnut Creek | CA | 9740 PACIFIC BELL | 722 |
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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