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.
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Switch: ORNGCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
714-288 A Orange CA 9740 PACIFIC BELL 730      
714-289 A Orange CA 9740 PACIFIC BELL 730      
714-516 A Orange CA 9740 PACIFIC BELL 730      
714-532 A Orange CA 9740 PACIFIC BELL 730      
714-538 A Orange CA 9740 PACIFIC BELL 730      
714-628 A Orange CA 9740 PACIFIC BELL 730      
714-633 A Orange CA 9740 PACIFIC BELL 730      
714-639 A Orange CA 9740 PACIFIC BELL 730      
714-744 A Orange CA 9740 PACIFIC BELL 730      
714-769 A Orange CA 9740 PACIFIC BELL 730      
714-771 A Orange CA 9740 PACIFIC BELL 730      
714-997 A Orange CA 9740 PACIFIC BELL 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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