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.

Green Forest, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-438 A GRFRARXARP0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-712 A GRFRARXAPS0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-712 2 LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2018-03-15   
870-712 3 LTRKAR105MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-04-30   
870-712 4 LTRKAR105MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-04-30   
870-712 9 GRFRARXAPS0  1691 WINDSTREAM ARKANSAS, INC. 528   2015-06-19   
870-726 A GRFRARXARP0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-726 0 GRFRARXARP0  1691 WINDSTREAM ARKANSAS, INC. 528      
870-726 4 LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2006-09-25   
870-726 6 LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2007-07-03   
870-726 7 RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-14   
870-726 9 GRFRARXARP0  1691 WINDSTREAM ARKANSAS, INC. 528      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.