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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-644 A Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
501-644 0 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-09-18   
501-644 1 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-09-18   
501-644 2 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-12-30   
501-644 3 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-12-30   
501-644 4 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-09-18   
501-644 5 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-09-18   
501-644 6 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-09-18   
501-644 7 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-03-27   
501-644 8 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2024-02-29   
501-644 9 Little Rock AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-09-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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