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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-456 A Malibu CA MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 0 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 1 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 2 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 3 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 4 Malibu CA   6529 T-MOBILE USA, INC. 730   2004-12-20   
310-456 5 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 6 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 7 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 8 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      
310-456 9 Malibu CA   2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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