Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-258 A Nicasio CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
628-258 0 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-12-17   
628-258 1 Nicasio CA SNJUCACL3MD  073H TELNYX LLC 722   2018-05-11   
628-258 2 Nicasio CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
628-258 3 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-22   
628-258 4 Nicasio CA SNFCCAMKX6Y  515J IP HORIZON LLC 722   2021-05-01   
628-258 5 Nicasio CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-08-31   
628-258 6 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-07-28   
628-258 7 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-07-28   
628-258 8 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2018-04-30   
628-258 9 Nicasio CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2017-12-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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