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: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-324 A Whittier CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-324 0 Whittier CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730   2005-09-19   
562-324 1 Whittier CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2005-10-01   
562-324 2 Whittier CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-324 3 Whittier CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730   2007-09-10   
562-324 4 Whittier CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730   2007-09-10   
562-324 5 Whittier CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730   2003-09-29   
562-324 6 Whittier CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2006-09-15   
562-324 7 Whittier CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730   2007-09-10   
562-324 8 Whittier CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2006-05-06   
562-324 9 Whittier CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2006-10-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.