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: 753

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-753 A Helena AR HLNAARHIRS1  9533 SOUTHWESTERN BELL 528      
870-753 0 Helena AR   9533 SOUTHWESTERN BELL 528      
870-753 1 Helena AR   9533 SOUTHWESTERN BELL 528      
870-753 2 Helena AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2011-06-15   
870-753 3 Helena AR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 528   2016-10-14   
870-753 4 Helena AR   516C AT&T CORP. 528   2011-04-15   
870-753 5 Helena AR   348F ONVOY, LLC - AR 528   2020-03-13   
870-753 6 Helena AR   939H COMMIO, LLC 528   2022-12-08   
870-753 7 Helena AR   508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-14   
870-753 8 Helena AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2011-12-20   
870-753 9 Helena AR   9533 SOUTHWESTERN BELL 528      

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

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