Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-274 A Hayward CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-274 0 Hayward CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-274 1 Hayward CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-274 2 Hayward CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-274 3 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722      
510-274 4 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
510-274 5 Hayward CA SNFCCA01XGX  516C AT&T CORP. 722      
510-274 6 Hayward CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-274 7 Hayward CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-274 8 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722      
510-274 9 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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