Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 519

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-519 A North Richland Hills TX DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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