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: 714 [Rate centres in NPA 714] [Dial plan for NPA 714]

NXX: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
714-289 A Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 0 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 1 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 2 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 3 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 4 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 5 Orange CA ANHMCA01XEY  516C AT&T CORP. 730   2016-11-19   
714-289 6 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 7 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 8 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      
714-289 9 Orange CA ORNGCA11DS0  9740 PACIFIC BELL 730      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.