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: LACRCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
818-236 A La Crescenta CA 9740 PACIFIC BELL 730      
818-236 2 La Crescenta CA 9740 PACIFIC BELL 730      
818-236 3 La Crescenta CA 9740 PACIFIC BELL 730      
818-236 4 La Crescenta CA 9740 PACIFIC BELL 730      
818-248 A La Crescenta CA 9740 PACIFIC BELL 730      
818-249 A La Crescenta CA 9740 PACIFIC BELL 730      
818-541 A La Crescenta CA 9740 PACIFIC BELL 730      
818-541 0 La Crescenta CA 9740 PACIFIC BELL 730      
818-541 1 La Crescenta CA 9740 PACIFIC BELL 730      
818-541 5 La Crescenta CA 9740 PACIFIC BELL 730      
818-541 6 La Crescenta CA 9740 PACIFIC BELL 730      
818-541 7 La Crescenta CA 9740 PACIFIC BELL 730      
818-541 8 La Crescenta CA 9740 PACIFIC BELL 730      
818-541 9 La Crescenta CA 9740 PACIFIC BELL 730      
818-542 A La Crescenta CA 9740 PACIFIC BELL 730      
818-542 3 La Crescenta CA 9740 PACIFIC BELL 730      
818-542 4 La Crescenta CA 9740 PACIFIC BELL 730      
818-542 6 La Crescenta CA 9740 PACIFIC BELL 730      
818-542 9 La Crescenta CA 9740 PACIFIC BELL 730      
818-790 A Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-949 A Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-949 0 Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-949 4 Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-949 5 Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-949 7 Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-949 9 Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-952 A Pasadena: La Cañada DA CA 9740 PACIFIC BELL 730      
818-957 A La Crescenta CA 9740 PACIFIC BELL 730      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.