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: 949 [Rate centres in NPA 949] [Dial plan for NPA 949]

NXX: 783

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
949-783 A Irvine CA IRVNCA12DS0  9740 PACIFIC BELL 730      
949-783 0 Irvine CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2009-06-26   
949-783 1 Irvine CA IRVNCA12DS0  9740 PACIFIC BELL 730   2009-04-12   
949-783 2 Irvine CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2010-03-15   
949-783 3 Irvine CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2009-05-28   
949-783 4 Irvine CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2009-09-28   
949-783 5 Irvine CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2009-05-28   
949-783 6 Irvine CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2009-09-14   
949-783 7 Irvine CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2009-09-11   
949-783 8 Irvine CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-31   
949-783 9 Irvine CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-31   

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.