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: SNBRCA01DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
714-489 A Garden Grove CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
714-507 A Anaheim CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
714-984 A Placentia CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
714-989 A Brea CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
760-380 A Fort Irwin CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
760-524 A Victorville: Victorville DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
909-369 A Redlands CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
909-472 A Ontario CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
909-915 A San Bernardino CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-325 A Hemet: Homeland DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-434 A Sun City CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-493 A Corona CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-495 A Riverside CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-512 A Riverside CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-514 A Temecula CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
951-750 A Riverside CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      

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

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