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: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-821 A Marysville CA YBCYCA01DS0  9740 PACIFIC BELL 726      
530-821 0 Marysville CA   9740 PACIFIC BELL 726      
530-821 1 Marysville CA   6529 T-MOBILE USA, INC. 726   2021-07-09   
530-821 2 Marysville CA   9740 PACIFIC BELL 726      
530-821 3 Marysville CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2020-04-15   
530-821 4 Marysville CA   9740 PACIFIC BELL 726      
530-821 5 Marysville CA   9740 PACIFIC BELL 726      
530-821 6 Marysville CA   6529 T-MOBILE USA, INC. 726   2020-12-14   
530-821 7 Marysville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2021-03-10   
530-821 8 Marysville CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2020-04-15   
530-821 9 Marysville CA   5562 METROPCS, INC. 726   2010-12-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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