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: 573

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-573 A Cabot AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2025-02-13   
501-573 0 Cabot AR   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 528   2025-02-14   
501-573 1 Cabot AR   348F ONVOY, LLC - AR 528   2025-03-01   
501-573 2 Cabot AR   348F ONVOY, LLC - AR 528   2025-05-02   
501-573 3 Cabot AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2025-07-19   
501-573 4 Cabot AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2025-11-07   
501-573 5 Cabot AR   348F ONVOY, LLC - AR 528   2025-11-28   
501-573 7 Cabot AR   348F ONVOY, LLC - AR 528   2026-05-09   
501-573 8 Cabot AR   348F ONVOY, LLC - AR 528   2025-05-02   
501-573 9 Cabot AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2025-02-13   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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