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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
949-273 A Saddleback Valley CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
949-273 0 Saddleback Valley CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-09   
949-273 1 Saddleback Valley CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-09   
949-273 2 Saddleback Valley CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-23   
949-273 3 Saddleback Valley CA ANHMCA01XEY  516C AT&T CORP. 730   2005-04-08   
949-273 4 Saddleback Valley CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
949-273 5 Saddleback Valley CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2005-07-24   
949-273 6 Saddleback Valley CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2005-07-24   
949-273 7 Saddleback Valley CA LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2005-03-31   
949-273 8 Saddleback Valley CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2006-02-16   
949-273 9 Saddleback Valley CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-05-17   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.