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: ELMNCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
323-686 A Los Angeles: DA 04 CA 9740 PACIFIC BELL 730      
626-258 A El Monte CA 9740 PACIFIC BELL 730      
626-279 A El Monte CA 9740 PACIFIC BELL 730      
626-329 A El Monte CA 9740 PACIFIC BELL 730      
626-350 A El Monte CA 9740 PACIFIC BELL 730      
626-401 A El Monte CA 9740 PACIFIC BELL 730      
626-402 A El Monte CA 9740 PACIFIC BELL 730      
626-430 A Covina-Baldwin Park CA 7480 PACIFIC BELL - CLEC 730      
626-433 A El Monte CA 9740 PACIFIC BELL 730      
626-435 A La Puente CA 7480 PACIFIC BELL - CLEC 730      
626-436 A El Monte CA 9740 PACIFIC BELL 730      
626-442 A El Monte CA 9740 PACIFIC BELL 730      
626-443 A El Monte CA 9740 PACIFIC BELL 730      
626-444 A El Monte CA 9740 PACIFIC BELL 730      
626-448 A El Monte CA 9740 PACIFIC BELL 730      
626-450 A El Monte CA 9740 PACIFIC BELL 730      
626-452 A El Monte CA 9740 PACIFIC BELL 730      
626-453 A El Monte CA 9740 PACIFIC BELL 730      
626-454 A El Monte CA 9740 PACIFIC BELL 730      
626-455 A El Monte CA 9740 PACIFIC BELL 730      
626-456 A El Monte CA 9740 PACIFIC BELL 730      
626-459 A El Monte CA 9740 PACIFIC BELL 730      
626-470 A Sierra Madre CA 7480 PACIFIC BELL - CLEC 730      
626-471 A Monrovia CA 7480 PACIFIC BELL - CLEC 730      
626-518 A El Monte CA 9740 PACIFIC BELL 730      
626-527 A El Monte CA 9740 PACIFIC BELL 730      
626-575 A El Monte CA 9740 PACIFIC BELL 730      
626-579 A El Monte CA 9740 PACIFIC BELL 730      
626-580 A El Monte CA 9740 PACIFIC BELL 730      
626-582 A El Monte CA 9740 PACIFIC BELL 730      
626-652 A El Monte CA 9740 PACIFIC BELL 730      
626-691 A Azusa-Glendora CA 7480 PACIFIC BELL - CLEC 730      

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.