Local Calling Guide
Area code/prefix search
NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]
NXX: 580
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
510-580 | A | Fremont-Newark: Oliver DA | CA | FRMTCAEDDS0 | 7262 XO CALIFORNIA, INC. | 722 |
Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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