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: 630

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-630 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 0 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 1 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 2 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 3 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 4 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 5 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 6 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 7 Compton: Gardena DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2002-12-14   
310-630 8 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-630 9 Compton: Gardena DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2002-12-14   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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