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: LSANCA54DS7

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
323-580 A Los Angeles: DA 14 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-638 A Los Angeles: DA 06 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-815 A Los Angeles: DA 12 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-825 A Los Angeles: DA 05 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-844 A Los Angeles: DA 08 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-908 A Los Angeles: DA 08 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-924 A Los Angeles: DA 12 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-988 A Los Angeles: DA 13 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-992 A Los Angeles: DA 09 CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-201 A Torrance CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-206 A Redondo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-231 A Santa Monica: Santa Monica DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-242 A Compton: Compton DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-243 A Inglewood CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-268 A Santa Monica: Santa Monica DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-269 A Hawthorne CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-270 A West Los Angeles CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-271 A Torrance CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-275 A Redondo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-277 A El Segundo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-285 A Beverly Hills CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-286 A Compton: Gardena DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-293 A West Los Angeles CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-296 A Compton: Compton DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-320 A West Los Angeles CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-322 A Santa Monica: Santa Monica DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-330 A Santa Monica: Santa Monica DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-334 A Avalon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-342 A San Pedro CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-345 A Culver City CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-348 A Hawthorne CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-351 A Inglewood CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-354 A Beverly Hills CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-355 A Beverly Hills CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-367 A El Segundo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-371 A West Los Angeles CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-372 A West Los Angeles CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-522 A Beverly Hills CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-526 A Santa Monica: Mar Vista DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-543 A Culver City CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-625 A Santa Monica: Mar Vista DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-634 A Redondo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2024-12-26   
424-645 A Santa Monica: Santa Monica DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-785 A Compton: Compton DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-789 A Inglewood CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-903 A Redondo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
442-249 A Victorville: Adelanto DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-206 A Long Beach CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-217 A La Habra CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-239 A Norwalk CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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