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: 987

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-987 A Butte City CA CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724   2025-01-03   
530-987 7 Butte City CA CHICCAEYKMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2025-01-06   
530-987 8 Butte City CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724   2026-05-22   
530-987 9 Butte City CA CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724   2025-01-03   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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