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: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-689 A West Los Angeles CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 0 West Los Angeles CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 1 West Los Angeles CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 2 West Los Angeles CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 3 West Los Angeles CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 4 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-10-02   
310-689 5 West Los Angeles CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-689 6 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-01-03   
310-689 7 West Los Angeles CA LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2000-04-05   
310-689 8 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-17   
310-689 9 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-08-29   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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