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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-227 A Corona CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
951-227 0 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 1 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 2 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 3 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 4 Corona CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2007-08-10   
951-227 5 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 6 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 7 Corona CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2007-08-13   
951-227 8 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 9 Corona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-27   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.