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: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-590 A Grass Valley: South DA CA SCRMCA01XTZ  939H COMMIO, LLC 726      
530-590 0 Grass Valley: South DA CA SCRMCA01XTZ  939H COMMIO, LLC 726   2023-10-09   
530-590 1 Grass Valley: South DA CA SCRMCA01XTZ  939H COMMIO, LLC 726   2023-10-09   
530-590 2 Grass Valley: South DA CA SCRMCA01XTZ  939H COMMIO, LLC 726   2023-10-09   
530-590 3 Grass Valley: South DA CA SCRMCA01XTZ  939H COMMIO, LLC 726   2023-10-09   
530-590 4 Grass Valley: South DA CA SCRMCA01XTZ  939H COMMIO, LLC 726   2023-10-09   
530-590 5 Grass Valley: South DA CA   624H ONVOY SPECTRUM, LLC 726   2025-01-30   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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