Local Calling Guide

Area code/prefix search

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Arkadelphia, AR

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-868 3   6529 T-MOBILE USA, INC. 528      
870-868 9   515J IP HORIZON LLC 528   2024-03-11   
870-908 A LTRKARGGUMD  939H COMMIO, LLC 528      
870-908 0   939H COMMIO, LLC 528   2023-01-06   
870-908 1   939H COMMIO, LLC 528   2023-01-06   
870-908 2   939H COMMIO, LLC 528   2024-02-24   
870-908 3   939H COMMIO, LLC 528   2024-02-24   
870-908 4   939H COMMIO, LLC 528   2024-02-24   
870-908 5   624H ONVOY SPECTRUM, LLC 528   2024-05-27   
870-908 6   732J NUSO, LLC 528   2025-09-04   
870-908 8   348F ONVOY, LLC - AR 528   2025-09-27   

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

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