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: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-719 A Hart TX AMRLTX02XMX  903C ONVOY, LLC - TX 546      
806-719 7 Hart TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2021-03-06   
806-719 9 Hart TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2021-03-06   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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