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: 241

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-241 A San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-241 0 San Pedro CA   9740 PACIFIC BELL 730      
310-241 1 San Pedro CA   9740 PACIFIC BELL 730      
310-241 2 San Pedro CA   9740 PACIFIC BELL 730      
310-241 3 San Pedro CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2000-02-26   
310-241 4 San Pedro CA   9740 PACIFIC BELL 730      
310-241 5 San Pedro CA   9740 PACIFIC BELL 730      
310-241 6 San Pedro CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-04-12   
310-241 7 San Pedro CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-04-12   
310-241 8 San Pedro CA   9740 PACIFIC BELL 730      
310-241 9 San Pedro CA   9740 PACIFIC BELL 730      

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

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