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: LSANCA03DS3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-270 A Los Angeles: DA 01 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-284 A Los Angeles: DA 07 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-288 A Los Angeles: DA 01 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-401 A Los Angeles: DA 10 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-443 A Los Angeles: DA 01 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-787 A Los Angeles: DA 01 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 A Beverly Hills CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-309 A Santa Monica: Santa Monica DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-369 A Beverly Hills CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-683 A Redondo CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 A West Los Angeles CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-754 A Santa Monica: Mar Vista DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-969 A Beverly Hills CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-200 A Los Angeles: DA 12 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-202 A Los Angeles: DA 13 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-203 A Los Angeles: DA 14 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-210 A Los Angeles: DA 02 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-274 A Los Angeles: DA 03 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-275 A Los Angeles: DA 04 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-761 A Los Angeles: DA 13 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-762 A Los Angeles: DA 14 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-767 A Montebello CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-909 A Los Angeles: DA 04 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-973 A Los Angeles: DA 06 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-998 A Los Angeles: DA 11 CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-272 A Santa Monica: Santa Monica DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-357 A Beverly Hills CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-363 A Beverly Hills CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-384 A Santa Monica: Mar Vista DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-538 A Santa Monica: Santa Monica DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
562-524 A La Habra CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-600 A Santa Clarita: Newhall-Castaic DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-802 A Lancaster CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-839 A Palmdale: Palmdale DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-998 A Palmdale: Palmdale DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
747-210 A San Fernando: San Fernando DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
805-465 A Camarillo CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
805-718 A El Rio CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
805-744 A Moorpark CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-253 A Burbank: Sun Valley DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-282 A San Fernando: Granada Hills DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-299 A North Hollywood CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-428 A Northridge CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-464 A Van Nuys CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-540 A Agoura CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-577 A Canoga Park CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-586 A Northridge CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-668 A Reseda CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-675 A San Fernando: San Fernando DA CA 7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      

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

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