Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-272 A Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-272 0 Beverly Hills CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2009-02-06   
310-272 1 Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730   2008-02-11   
310-272 2 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2008-01-17   
310-272 3 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-03-28   
310-272 4 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-03-28   
310-272 5 Beverly Hills CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-07   
310-272 6 Beverly Hills CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-10-13   
310-272 7 Beverly Hills CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2008-03-08   
310-272 8 Beverly Hills CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2009-06-03   
310-272 9 Beverly Hills CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2008-03-03   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.