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: LSANCA01XSY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-797 A El Segundo CA 6906 AMERICAN MESSAGING SERVICES, LLC 730      
310-799 A Culver City CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
310-852 A Compton: Gardena DA CA 6906 AMERICAN MESSAGING SERVICES, LLC 730      
310-934 A Culver City CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
323-279 A Los Angeles: DA 08 CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
323-699 A Los Angeles: DA 08 CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
626-717 A Alhambra CA 6906 AMERICAN MESSAGING SERVICES, LLC 730      
661-966 A Palmdale: Palmdale DA CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
714-275 A Fullerton CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
714-370 A Orange CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
714-387 A Anaheim CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
714-506 A Anaheim CA 9748 AMERICAN MESSAGING SERVICES, LLC 730      
818-413 A Van Nuys CA 6906 AMERICAN MESSAGING SERVICES, LLC 730      
909-209 A Riverside CA 6906 AMERICAN MESSAGING SERVICES, LLC 730      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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