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: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-731 A Vallejo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
707-731 0 Vallejo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2005-09-25   
707-731 1 Vallejo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2006-08-07   
707-731 2 Vallejo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2006-08-07   
707-731 3 Vallejo CA OKLECAZVGT0  5562 METROPCS, INC. 722   2007-09-19   
707-731 4 Vallejo CA OKLECAZVGT0  5562 METROPCS, INC. 722   2007-09-19   
707-731 5 Vallejo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-10-25   
707-731 6 Vallejo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-10-25   
707-731 7 Vallejo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-02-04   
707-731 8 Vallejo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-10-25   
707-731 9 Vallejo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-11-06   

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.