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: SNMNCAXPX3Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-496 A Santa Monica: Santa Monica DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
310-564 A Santa Monica: Santa Monica DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
310-708 A Malibu CA 649C ONVOY, LLC - CA 730      
310-919 A Malibu CA 649C ONVOY, LLC - CA 730   2024-01-23   
310-943 A West Los Angeles CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-282 A Redondo CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-304 A Redondo CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-317 A West Los Angeles CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-365 A West Los Angeles CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-400 A Redondo CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-452 A Redondo CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-476 A Redondo CA 649C ONVOY, LLC - CA 730      
424-490 A Santa Monica: Santa Monica DA CA 649C ONVOY, LLC - CA 730      
424-500 A Santa Monica: Mar Vista DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
424-506 A Redondo CA 649C ONVOY, LLC - CA 730   2024-03-31   
424-624 A Santa Monica: Mar Vista DA CA 649C ONVOY, LLC - CA 730   2024-08-06   
424-781 A Malibu CA 649C ONVOY, LLC - CA 730   2025-01-12   
424-900 A West Los Angeles CA 649C ONVOY, LLC - CA 730   2024-01-23   
661-228 A Hi Vista CA 649C ONVOY, LLC - CA 730      
661-463 A Hi Vista CA 649C ONVOY, LLC - CA 730   2024-01-23   
661-464 A Lake Hughes CA 649C ONVOY, LLC - CA 730   2024-01-23   
661-466 A Lancaster CA 649C ONVOY, LLC - CA 730   2024-01-23   
661-579 A Lancaster CA 649C ONVOY, LLC - CA 730   2024-01-23   
661-646 A Lancaster CA 649C ONVOY, LLC - CA 730   2024-08-26   
747-300 A San Fernando: Granada Hills DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
747-339 A San Fernando: San Fernando DA CA 649C ONVOY, LLC - CA 730      
747-346 A Sunland-Tujunga CA 649C ONVOY, LLC - CA 730      
747-357 A San Fernando: Sepulveda DA CA 649C ONVOY, LLC - CA 730   2024-05-05   
747-358 A San Fernando: Pacoima DA CA 649C ONVOY, LLC - CA 730   2024-05-31   
747-447 A San Fernando: San Fernando DA CA 649C ONVOY, LLC - CA 730      
747-500 A San Fernando: San Fernando DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
747-529 A San Fernando: Sepulveda DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
747-600 A San Fernando: Granada Hills DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-288 A El Rio CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-317 A Santa Paula CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-392 A Santa Paula CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-429 A Point Mugu CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-447 A Newbury Park CA 649C ONVOY, LLC - CA 730      
805-454 A Newbury Park CA 649C ONVOY, LLC - CA 730      
805-793 A Oxnard CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-852 A Thousand Oaks CA 649C ONVOY, LLC - CA 730      
805-853 A Oxnard CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-870 A Thousand Oaks CA 649C ONVOY, LLC - CA 730   2024-01-23   
805-970 A Camarillo CA 649C ONVOY, LLC - CA 730   2024-01-23   
818-639 A San Fernando: San Fernando DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
820-226 A El Rio CA 649C ONVOY, LLC - CA 730   2024-05-12   

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

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