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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-203 A Fremont-Newark: Main DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-203 0 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-203 1 Fremont-Newark: Main DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-203 2 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-203 3 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-203 4 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-203 5 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-203 6 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-203 7 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-203 8 Fremont-Newark: Main DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-203 9 Fremont-Newark: Main DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

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

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