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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-973 A Arbuckle CA SCRMCA01XTZ  939H COMMIO, LLC 726   2024-02-25   
530-973 0 Arbuckle CA SCRMCA01XTZ  939H COMMIO, LLC 726   2024-02-25   
530-973 3 Arbuckle CA   824J OPENTACT INC. 726   2026-10-23   
530-973 7 Arbuckle CA   114J EXIANT COMMUNICATIONS LLC 726   2026-08-10   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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