Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-317 A Malibu CA MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 0 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 1 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 2 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 3 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 4 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 5 Malibu CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-317 6 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 7 Malibu CA   649C ONVOY, LLC - CA 730   2004-09-25   
310-317 8 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-317 9 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      

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

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