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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-220 A Hawthorne CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-220 0 Hawthorne CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-220 1 Hawthorne CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-220 2 Hawthorne CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-220 3 Hawthorne CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-220 4 Hawthorne CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-220 5 Hawthorne CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-220 6 Hawthorne CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
310-220 7 Hawthorne CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-220 8 Hawthorne CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-220 9 Hawthorne CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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