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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-448 A Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 0 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 1 Santa Monica: Mar Vista DA CA   515J IP HORIZON LLC 730   2006-09-04   
310-448 2 Santa Monica: Mar Vista DA CA   515J IP HORIZON LLC 730   2006-09-04   
310-448 3 Santa Monica: Mar Vista DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-16   
310-448 4 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 5 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 6 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 7 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 8 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      
310-448 9 Santa Monica: Mar Vista DA CA PDRYCAXF82A  2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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