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: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-458 A Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 0 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 1 Colusa CA SCRMCA0133Z  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2014-11-10   
530-458 2 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 3 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 4 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 5 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 6 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 7 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 8 Colusa CA COLSCAXFDS0  3402 CITIZENS TELECOMM DBA FRONTIER COMM GOLDEN STATE 726      
530-458 9 Colusa CA   145J TERRA NOVA TELECOM INC. 726   2025-05-15   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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