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: LSANCA54DS8

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-338 A Los Angeles: DA 02 CA 060G AIRUS, INC. - CA 730      
213-338 2 Los Angeles: DA 02 CA 060G AIRUS, INC. - CA 730   2018-09-29   
323-507 A Los Angeles: DA 03 CA 060G AIRUS, INC. - CA 730   2020-12-22   
323-507 0 Los Angeles: DA 03 CA 060G AIRUS, INC. - CA 730   2019-03-31   
657-439 A Anaheim CA 060G AIRUS, INC. - CA 730      
657-439 1 Anaheim CA 060G AIRUS, INC. - CA 730   2020-07-26   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.