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: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-341 A La Puente CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
626-341 0 La Puente CA   649C ONVOY, LLC - CA 730   2016-03-03   
626-341 1 La Puente CA   649C ONVOY, LLC - CA 730   2016-03-03   
626-341 2 La Puente CA   6529 T-MOBILE USA, INC. 730   2016-01-17   
626-341 3 La Puente CA   6529 T-MOBILE USA, INC. 730   2016-01-17   
626-341 4 La Puente CA   899D METROPCS NETWORKS, LLC 730   2016-09-28   
626-341 5 La Puente CA   6529 T-MOBILE USA, INC. 730   2016-10-14   
626-341 6 La Puente CA   6529 T-MOBILE USA, INC. 730   2016-10-14   
626-341 7 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-12-18   
626-341 8 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-12-18   
626-341 9 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-12-05   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.