Local Calling Guide
Area code/prefix search
NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]
NXX: 554
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
510-554 | A | Hayward | CA | SNFCCAMKX1X | 6967 33 WIRELESS INC. | 722 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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