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.

Mammoth Spring, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-625 A MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 0 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 1 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 2 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 3 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 4 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 5 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 6 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 7 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-625 8 RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-02   
870-625 9 MMSPARXARS0  1144 BRIGHTSPEED OF CENTRAL ARKANSAS, LLC 528      
870-907 A LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-907 0 LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528   2017-02-10   
870-907 1 LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2016-12-23   
870-907 2 LTRKARGGUMD  939H COMMIO, LLC 528   2022-10-15   
870-907 7 MTHOARXAIMD  348F ONVOY, LLC - AR 528   2021-07-19   
870-907 8 MTHOARXAIMD  348F ONVOY, LLC - AR 528   2021-10-03   
870-907 9 LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528   2020-09-11   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.