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: 875

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-875 A Chico CA CHICCA01XNX  506J TWILIO INTERNATIONAL, INC. 724      
530-875 0 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 1 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 2 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 3 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 4 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 5 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 6 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 7 Chico CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-875 8 Chico CA CHICCA01XNX  506J TWILIO INTERNATIONAL, INC. 724      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.