Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 572

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-572 A Enola AR LTRKARZO8MD  490J DISH WIRELESS, LLC 528   2024-04-21   
501-572 0 Enola AR LTRKARZO8MD  490J DISH WIRELESS, LLC 528   2024-04-21   
501-572 1 Enola AR LTRKARZOAMD  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 528   2024-08-16   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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