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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-657 A Weed CA YREKCA080MD  734E CAL-ORE COMMUNICATIONS, INC. - CA 724      
530-657 0 Weed CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2017-04-28   
530-657 3 Weed CA CHICCAEYIMD  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 724   2014-01-31   
530-657 5 Weed CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2019-08-08   
530-657 8 Weed CA YREKCA080MD  734E CAL-ORE COMMUNICATIONS, INC. - CA 724   2009-07-05   
530-657 9 Weed CA CHICCACW1MD  073H TELNYX LLC 724   2018-06-27   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.