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: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-721 A Murrieta CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2024-01-23   
951-721 0 Murrieta CA   899D METROPCS NETWORKS, LLC 730      
951-721 1 Murrieta CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-721 2 Murrieta CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
951-721 3 Murrieta CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
951-721 4 Murrieta CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
951-721 5 Murrieta CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
951-721 6 Murrieta CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
951-721 7 Murrieta CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
951-721 8 Murrieta CA   649C ONVOY, LLC - CA 730      
951-721 9 Murrieta CA LSANCAJWMMD  490J DISH WIRELESS, LLC 730      

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.