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: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-631 A Woodland CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-631 0 Woodland CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2016-07-30   
530-631 1 Woodland CA   073H TELNYX LLC 726   2017-03-24   
530-631 2 Woodland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2018-03-03   
530-631 3 Woodland CA   649C ONVOY, LLC - CA 726   2016-03-14   
530-631 4 Woodland CA   649C ONVOY, LLC - CA 726   2016-03-14   
530-631 5 Woodland CA   6529 T-MOBILE USA, INC. 726   2016-05-14   
530-631 6 Woodland CA   649C ONVOY, LLC - CA 726   2017-06-21   
530-631 7 Woodland CA   649C ONVOY, LLC - CA 726   2021-07-19   
530-631 8 Woodland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2015-12-06   
530-631 9 Woodland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2015-11-19   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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