Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-642 A Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 0 Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 1 Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 2 Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 3 Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 4 Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 5 Arlington TX RCSNTXHVBMD  516C AT&T CORP. 552   2010-10-04   
817-642 6 Arlington TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-642 7 Arlington TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-15   
817-642 8 Arlington TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2025-01-03   
817-642 9 Arlington TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-12-03   

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

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