Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-610 A Cabot AR   348F ONVOY, LLC - AR 528   2026-10-03   
501-610 0 Cabot AR   348F ONVOY, LLC - AR 528   2026-10-03   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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