Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-575 A Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 0 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 1 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 2 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2005-11-13   
530-575 3 Grass Valley: Main DA CA SCRMCA01XQY  9262 UTILITY TELECOM GROUP, LLC - CA 726   2005-04-26   
530-575 4 Grass Valley: Main DA CA SCRMCA01XFZ  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 726   2007-05-17   
530-575 5 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-03-05   
530-575 6 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 7 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-03-05   
530-575 8 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-06-23   
530-575 9 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-06-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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