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: 734

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-734 A Beverly Hills CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-734 0 Beverly Hills CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-734 1 Beverly Hills CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-734 2 Beverly Hills CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-734 3 Beverly Hills CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-734 4 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-01-11   
310-734 5 Beverly Hills CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-734 6 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-09   
310-734 7 Beverly Hills CA ANHMCA01XEY  516C AT&T CORP. 730   2006-07-07   
310-734 8 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-03   
310-734 9 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-07-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.