Local Calling Guide
Area code/prefix search
NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]
NXX: 326
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
657-326 | A | Garden Grove | CA | BLPKCAAFCM0 | 0051 SHELCOMM | 730 |
Last updated: Tue, 15 Jul 2025 18:46:49 UTC
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