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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-258 A El Monte CA ELMNCA01DS0  9740 PACIFIC BELL 730      
626-258 0 El Monte CA   9740 PACIFIC BELL 730      
626-258 1 El Monte CA   9740 PACIFIC BELL 730      
626-258 2 El Monte CA   9740 PACIFIC BELL 730      
626-258 3 El Monte CA   9740 PACIFIC BELL 730      
626-258 4 El Monte CA   9740 PACIFIC BELL 730      
626-258 5 El Monte CA   9740 PACIFIC BELL 730      
626-258 6 El Monte CA   9740 PACIFIC BELL 730      
626-258 7 El Monte CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-10-08   
626-258 8 El Monte CA   9740 PACIFIC BELL 730      
626-258 9 El Monte CA   6529 T-MOBILE USA, INC. 730   2002-12-08   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.