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: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-549 A Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
501-549 0 Palarm AR   515J IP HORIZON LLC 528   2024-03-11   
501-549 1 Palarm AR   624H ONVOY SPECTRUM, LLC 528   2024-05-20   
501-549 2 Palarm AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-12-19   
501-549 3 Palarm AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-12-19   
501-549 4 Palarm AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2025-10-17   
501-549 7 Palarm AR   196F BANDWIDTH.COM CLEC, LLC - AR 528   2024-11-11   
501-549 8 Palarm AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-08-03   
501-549 9 Palarm AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2023-12-18   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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