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: 798

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-798 A Grass Valley: Main DA CA WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726      
530-798 0 Grass Valley: Main DA CA WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726      
530-798 1 Grass Valley: Main DA CA WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726      
530-798 2 Grass Valley: Main DA CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726   2005-12-05   
530-798 3 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2006-01-11   
530-798 4 Grass Valley: Main DA CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2005-07-26   
530-798 5 Grass Valley: Main DA CA WSCRCABYDS1  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 726   2006-12-11   
530-798 6 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2007-04-07   
530-798 7 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2007-06-29   
530-798 8 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2006-04-07   
530-798 9 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2006-04-07   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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