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: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-429 A Heber Springs AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
501-429 0 Heber Springs AR   128L E. RITTER COMMUNICATIONS, LLC 528   2018-10-28   
501-429 4 Heber Springs AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
501-429 5 Heber Springs AR   515J IP HORIZON LLC 528   2024-03-11   
501-429 6 Heber Springs AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2025-10-26   
501-429 7 Heber Springs AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-03-11   
501-429 8 Heber Springs AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-03-11   
501-429 9 Heber Springs AR LTRKARFRXZY  197D VONAGE AMERICA LLC 528   2023-11-23   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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