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: 479 [Rate centres in NPA 479] [Dial plan for NPA 479]

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-274 A Fort Smith AR FTSMARSUMMD  6529 T-MOBILE USA, INC. 526      
479-274 0 Fort Smith AR ALMAARXA0MD  196F BANDWIDTH.COM CLEC, LLC - AR 526   2012-03-16   
479-274 1 Fort Smith AR FTSMARSUMMD  6529 T-MOBILE USA, INC. 526   2009-04-16   
479-274 2 Fort Smith AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2009-09-08   
479-274 3 Fort Smith AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2009-09-08   
479-274 4 Fort Smith AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2009-09-08   
479-274 5 Fort Smith AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2009-09-08   
479-274 6 Fort Smith AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2009-09-08   
479-274 7 Fort Smith AR FTSMARSUMMD  6529 T-MOBILE USA, INC. 526   2011-10-17   
479-274 8 Fort Smith AR ALMAARXA0MD  196F BANDWIDTH.COM CLEC, LLC - AR 526   2012-04-13   
479-274 9 Fort Smith AR FTSMARSUMMD  6529 T-MOBILE USA, INC. 526   2008-10-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.