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: ANHMCA11DS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
714-816 6 Cypress CA 9740 PACIFIC BELL 730      
714-816 8 Cypress CA 9740 PACIFIC BELL 730      
714-816 9 Cypress CA 9740 PACIFIC BELL 730      
714-821 A Cypress CA 9740 PACIFIC BELL 730      
714-821 0 Cypress CA 9740 PACIFIC BELL 730      
714-821 1 Cypress CA 9740 PACIFIC BELL 730      
714-821 3 Cypress CA 9740 PACIFIC BELL 730      
714-821 4 Cypress CA 9740 PACIFIC BELL 730      
714-821 5 Cypress CA 9740 PACIFIC BELL 730      
714-821 6 Cypress CA 9740 PACIFIC BELL 730      
714-821 7 Cypress CA 9740 PACIFIC BELL 730      
714-821 8 Cypress CA 9740 PACIFIC BELL 730      
714-821 9 Cypress CA 9740 PACIFIC BELL 730      
714-826 A Cypress CA 9740 PACIFIC BELL 730      
714-827 A Cypress CA 9740 PACIFIC BELL 730      
714-828 A Cypress CA 9740 PACIFIC BELL 730      
714-952 A Cypress CA 9740 PACIFIC BELL 730      
714-995 A Cypress CA 9740 PACIFIC BELL 730      

<< 1 2

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.