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: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 613

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-613 A Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528      
501-613 0 Little Rock AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2005-12-01   
501-613 1 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2007-09-10   
501-613 2 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2008-01-17   
501-613 3 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2008-05-10   
501-613 4 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2008-08-25   
501-613 5 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2008-11-20   
501-613 6 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2009-06-02   
501-613 7 Little Rock AR LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528   2010-08-12   
501-613 8 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2008-03-15   
501-613 9 Little Rock AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2007-05-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.