Local Calling Guide

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NPA: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-503 A Porter Heights TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-503 0 Porter Heights TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-503 1 Porter Heights TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-503 2 Porter Heights TX NCGDTXNCKMD  318C CEBRIDGE TELECOM TX , L.P. - TX 560      
281-503 3 Porter Heights TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-503 4 Porter Heights TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-503 5 Porter Heights TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-503 6 Porter Heights TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-503 7 Porter Heights TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-503 8 Porter Heights TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-503 9 Porter Heights TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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