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.

Switch: LSANCAJWDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-572 A Los Angeles: DA 01 CA 8322 MPOWER COMMUNICATIONS CORP - CA 730      
213-603 A Los Angeles: DA 01 CA 748D MPOWER NETWORKS SERVICES INC. - CA 730   2006-02-17   
213-986 A Los Angeles: DA 01 CA 8322 MPOWER COMMUNICATIONS CORP - CA 730      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.