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: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-353 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-353 0 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 1 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 2 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 3 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 4 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 5 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 6 Compton: Gardena DA CA   6529 T-MOBILE USA, INC. 730   2006-01-22   
310-353 7 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 8 Compton: Gardena DA CA   9740 PACIFIC BELL 730      
310-353 9 Compton: Gardena DA CA   9740 PACIFIC BELL 730      

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

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