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: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
949-383 A Irvine CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
949-383 0 Irvine CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2013-01-22   
949-383 1 Irvine CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2013-03-08   
949-383 2 Irvine CA IRVECAJTRS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2013-01-22   
949-383 3 Irvine CA IRVECAJTRS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2013-01-22   
949-383 4 Irvine CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-01-19   
949-383 5 Irvine CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-01-19   
949-383 6 Irvine CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-02-04   
949-383 7 Irvine CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-03-04   
949-383 8 Irvine CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-03-31   
949-383 9 Irvine CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2013-02-14   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.