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: LSANCARCD9S

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-465 A Los Angeles: DA 07 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
213-550 A Los Angeles: DA 01 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
213-769 A Los Angeles: DA 10 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
310-409 A Beverly Hills CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
310-906 A El Segundo CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
310-929 A Avalon CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-230 A Los Angeles: DA 08 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-393 A Los Angeles: DA 09 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-500 A Montebello CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-503 A Los Angeles: DA 02 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-639 A Los Angeles: DA 11 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-704 A Los Angeles: DA 05 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-743 A Los Angeles: DA 06 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-809 A Los Angeles: DA 14 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
424-456 A Hawthorne CA 4129 O1 COMMUNICATIONS, INC. - CA 730   2006-10-09   
424-672 A Culver City CA 4129 O1 COMMUNICATIONS, INC. - CA 730   2006-10-09   
562-387 A Alamitos CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-450 A Downey CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-451 A La Habra CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-452 A Lakewood CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-453 A Long Beach CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-455 A Norwalk CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-456 A Pico Rivera CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-457 A Whittier CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-200 A Pasadena: Pasadena DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-387 A Azusa-Glendora CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-400 A Arcadia CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-500 A Alhambra CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-672 A El Monte CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-779 A San Gabriel Canyon CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-210 A Santa Clarita: Newhall-Castaic DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-228 A Hi Vista CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-249 A Big Butte CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-262 A Lake Hughes CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-468 A Palmdale: Agua Dulce DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-532 A Big Butte CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-673 A Santa Clarita: Saugus Canyon Country DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-674 A Lancaster CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-675 A Palmdale: Palmdale DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-780 A Palmdale: Leona Valley DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-312 A Yorba Linda CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-497 A Orange CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-598 A Anaheim CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-604 A Santa Ana CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-733 A Cypress CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-752 A Buena Park CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-786 A Garden Grove CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-874 A Silverado CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-930 A Fullerton CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
760-589 A Death Valley CA 4129 O1 COMMUNICATIONS, INC. - CA 730      

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Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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