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: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-750 A Riverside CA SNBRCA01DS1  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-750 0 Riverside CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-01-31   
951-750 1 Riverside CA SNBRCA01DS1  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-750 2 Riverside CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-02-23   
951-750 3 Riverside CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2005-02-04   
951-750 4 Riverside CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-04-04   
951-750 5 Riverside CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2004-09-06   
951-750 6 Riverside CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2004-09-06   
951-750 7 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-01-06   
951-750 8 Riverside CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2003-09-23   
951-750 9 Riverside CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-10-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.