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: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-281 A Corona CA LSANCARC5KD  7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
951-281 0 Corona CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-281 1 Corona CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
951-281 2 Corona CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-281 3 Corona CA   649C ONVOY, LLC - CA 730      
951-281 4 Corona CA   649C ONVOY, LLC - CA 730      
951-281 5 Corona CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
951-281 6 Corona CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
951-281 7 Corona CA   649C ONVOY, LLC - CA 730      
951-281 8 Corona CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
951-281 9 Corona CA   6529 T-MOBILE USA, INC. 730   2010-09-05   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.