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: IRVNCASMDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
714-678 A Anaheim CA 7453 U.S. TELEPACIFIC CORP. - CA 730      
909-212 A Ontario CA 7453 U.S. TELEPACIFIC CORP. - CA 730      
909-242 A Pomona CA 7453 U.S. TELEPACIFIC CORP. - CA 730      
949-478 A Newport Beach CA 7453 U.S. TELEPACIFIC CORP. - CA 730      
949-870 A Irvine CA 7453 U.S. TELEPACIFIC CORP. - CA 730      

Last updated: Mon, 24 May 2021 01:28:43 UTC

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