Local Calling Guide
Area code/prefix search
NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]
NXX: 503
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
510-503 | A | Oakland: Main-Piedmont DA | CA | SNFCCAMKX1X | 9262 UTILITY TELECOM GROUP, LLC - CA | 722 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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