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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-261 A Sausalito CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722      
628-261 0 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-10-22   
628-261 1 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-10-22   
628-261 2 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-21   
628-261 3 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-21   
628-261 4 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-21   
628-261 5 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-21   
628-261 6 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-09   
628-261 7 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-21   
628-261 8 Sausalito CA   145J TERRA NOVA TELECOM INC. 722   2019-05-24   
628-261 9 Sausalito CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-24   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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