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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-504 A Conway AR CNWYARMADS0  9533 SOUTHWESTERN BELL 528      
501-504 0 Conway AR   145J TERRA NOVA TELECOM INC. 528   2026-02-16   
501-504 2 Conway AR   9533 SOUTHWESTERN BELL 528      
501-504 3 Conway AR   5562 METROPCS, INC. 528   2015-04-16   
501-504 4 Conway AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2011-03-08   
501-504 5 Conway AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2011-03-08   
501-504 6 Conway AR   348F ONVOY, LLC - AR 528   2012-10-28   
501-504 7 Conway AR   348F ONVOY, LLC - AR 528   2016-03-03   
501-504 8 Conway AR   508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-13   
501-504 9 Conway AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2011-10-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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