Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 907

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-907 A Mammoth Spring AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-907 0 Mammoth Spring AR   196F BANDWIDTH.COM CLEC, LLC - AR 528   2017-02-10   
870-907 1 Mammoth Spring AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2016-12-23   
870-907 2 Mammoth Spring AR   939H COMMIO, LLC 528   2022-10-15   
870-907 7 Mammoth Spring AR   348F ONVOY, LLC - AR 528   2021-07-19   
870-907 8 Mammoth Spring AR   348F ONVOY, LLC - AR 528   2021-10-03   
870-907 9 Mammoth Spring AR   196F BANDWIDTH.COM CLEC, LLC - AR 528   2020-09-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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