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: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-825 A Dierks AR DRKSARXARS0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-825 0 Dierks AR DRKSARXARS0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-825 1 Dierks AR GLWDARXA4MD  624H ONVOY SPECTRUM, LLC 528   2025-01-07   
870-825 2 Dierks AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2006-09-28   
870-825 5 Dierks AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-06-25   
870-825 7 Dierks AR RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-13   
870-825 9 Dierks AR DRKSARXARP0  1691 WINDSTREAM ARKANSAS, INC. 528      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.