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: 626 [Rate centres in NPA 626] [Dial plan for NPA 626]

NXX: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-509 A Monrovia CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
626-509 0 Monrovia CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-02-03   
626-509 1 Monrovia CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
626-509 2 Monrovia CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-29   
626-509 3 Monrovia CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-03-05   
626-509 4 Monrovia CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
626-509 5 Monrovia CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2012-12-30   
626-509 6 Monrovia CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2012-12-30   
626-509 7 Monrovia CA LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730   2024-09-19   
626-509 8 Monrovia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-14   
626-509 9 Monrovia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-07-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.