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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-866 A Casa AR LTRKARZO6MD  516J TON80 COMMUNICATIONS, LLC 528      
501-866 2 Casa AR LTRKARZO6MD  516J TON80 COMMUNICATIONS, LLC 528   2022-03-16   
501-866 6 Casa AR   145J TERRA NOVA TELECOM INC. 528   2025-05-13   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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