Local Calling Guide

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

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-666 A Crosby TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-666 0 Crosby TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-666 1 Crosby TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-12-05   
281-666 2 Crosby TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2018-05-02   
281-666 3 Crosby TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-666 4 Crosby TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2009-06-19   
281-666 5 Crosby TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2016-02-04   
281-666 6 Crosby TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2017-04-05   
281-666 7 Crosby TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-21   
281-666 8 Crosby TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-27   
281-666 9 Crosby TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2013-04-27   

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

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