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: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-859 A Roanoke TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-859 0 Roanoke TX   903C ONVOY, LLC - TX 552   2021-07-17   
817-859 1 Roanoke TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-859 2 Roanoke TX   903C ONVOY, LLC - TX 552   2021-07-17   
817-859 3 Roanoke TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-859 4 Roanoke TX   903C ONVOY, LLC - TX 552   2021-07-17   
817-859 5 Roanoke TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-07-02   
817-859 6 Roanoke TX   903C ONVOY, LLC - TX 552   2020-08-20   
817-859 7 Roanoke TX   903C ONVOY, LLC - TX 552   2020-08-20   
817-859 8 Roanoke TX   903C ONVOY, LLC - TX 552   2020-08-20   
817-859 9 Roanoke TX   903C ONVOY, LLC - TX 552   2021-07-17   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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