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: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-478 A Gillham AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-478 0 Gillham AR GLWDARXA4MD  624H ONVOY SPECTRUM, LLC 528   2025-01-07   
870-478 4 Gillham AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-06-25   
870-478 7 Gillham AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2015-04-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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