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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-535 A Murrieta CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730      
951-535 0 Murrieta CA   899D METROPCS NETWORKS, LLC 730   2020-07-27   
951-535 1 Murrieta CA   899D METROPCS NETWORKS, LLC 730   2020-10-15   
951-535 2 Murrieta CA   649C ONVOY, LLC - CA 730   2020-11-25   
951-535 3 Murrieta CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-09-14   
951-535 4 Murrieta CA   649C ONVOY, LLC - CA 730   2020-11-25   
951-535 5 Murrieta CA   197D VONAGE AMERICA LLC 730   2020-07-26   
951-535 6 Murrieta CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-08-20   
951-535 7 Murrieta CA   649C ONVOY, LLC - CA 730   2020-11-25   
951-535 8 Murrieta CA   649C ONVOY, LLC - CA 730   2020-11-25   
951-535 9 Murrieta CA   6529 T-MOBILE USA, INC. 730   2020-09-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.