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: 547

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-547 A San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 0 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 1 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 2 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 3 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 4 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 5 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-547 6 San Pedro CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2005-08-14   
310-547 7 San Pedro CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-02-25   
310-547 8 San Pedro CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2000-05-09   
310-547 9 San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      

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

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