Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-717 A PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530      
870-717 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2016-06-23   
870-717 1   624H ONVOY SPECTRUM, LLC 530   2024-06-01   
870-717 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2016-06-23   
870-766 A ALTHARMARS2  9533 SOUTHWESTERN BELL 530      
870-766 1   9533 SOUTHWESTERN BELL 530      
870-766 2   095A E. RITTER COMMS DBA RITTER COMMUNICATIONS, INC. AR 530   2023-01-19   
870-766 3   516C AT&T CORP. 530   2011-03-25   
870-766 4   9533 SOUTHWESTERN BELL 530      
870-766 6   348F ONVOY, LLC - AR 530   2021-07-21   
870-766 7   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2015-04-22   
870-766 8   9533 SOUTHWESTERN BELL 530      
870-766 9   9533 SOUTHWESTERN BELL 530      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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