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: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-642 A Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528      
501-642 0 Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2022-05-24   
501-642 1 Little Rock AR   348F ONVOY, LLC - AR 528   2025-10-12   
501-642 2 Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2023-07-03   
501-642 3 Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2023-07-03   
501-642 8 Little Rock AR   348F ONVOY, LLC - AR 528   2025-05-09   
501-642 9 Little Rock AR   348F ONVOY, LLC - AR 528   2025-10-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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