Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-637 A Campbell CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-637 0 Campbell CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-637 1 Campbell CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-637 2 Campbell CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-637 3 Campbell CA OKLECAZVGT0  5562 METROPCS, INC. 722      
408-637 4 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-637 5 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-637 6 Campbell CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-637 7 Campbell CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-637 8 Campbell CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-637 9 Campbell CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

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

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