Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-478 A Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 0 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 1 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 2 Nevada City CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2013-11-29   
530-478 3 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 4 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 5 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 6 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 7 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 8 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      
530-478 9 Nevada City CA NVCYCA11DS0  9740 PACIFIC BELL 726      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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