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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-330 A Willows CA   6529 T-MOBILE USA, INC. 724      
530-330 0 Willows CA CHICCA01RMD  5562 METROPCS, INC. 724      
530-330 1 Willows CA CHICCA01RMD  6529 T-MOBILE USA, INC. 724      
530-330 2 Willows CA CHICCA01RMD  6529 T-MOBILE USA, INC. 724      
530-330 3 Willows CA   6529 T-MOBILE USA, INC. 724      
530-330 4 Willows CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-330 5 Willows CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-330 6 Willows CA CHICCA01RMD  6529 T-MOBILE USA, INC. 724      
530-330 7 Willows CA CHICCA78AMD  516C AT&T CORP. 724      
530-330 8 Willows CA CHICCA01XQX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724      
530-330 9 Willows CA CHICCA01RMD  5562 METROPCS, INC. 724      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.