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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-747 A El Monte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
626-747 0 El Monte CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-12-20   
626-747 1 El Monte CA   899D METROPCS NETWORKS, LLC 730   2015-01-16   
626-747 2 El Monte CA   6529 T-MOBILE USA, INC. 730   2015-04-09   
626-747 3 El Monte CA   6529 T-MOBILE USA, INC. 730   2015-04-09   
626-747 4 El Monte CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-14   
626-747 5 El Monte CA   6529 T-MOBILE USA, INC. 730   2015-04-09   
626-747 6 El Monte CA   6529 T-MOBILE USA, INC. 730   2015-04-09   
626-747 7 El Monte CA   649C ONVOY, LLC - CA 730   2014-12-30   
626-747 8 El Monte CA   649C ONVOY, LLC - CA 730   2014-12-30   
626-747 9 El Monte CA   649C ONVOY, LLC - CA 730   2014-12-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.