Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Washington, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-721 A LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-721 2 LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2019-07-16   
870-983 A FLTNARXADS0  1724 SOUTHWEST ARKANSAS TEL. COOP., INC. 528      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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