Local Calling Guide

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

NXX: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-310 A Houston Suburban TX HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-310 0 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-310 1 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-310 2 Houston Suburban TX HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-310 3 Houston Suburban TX HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-310 4 Houston Suburban TX HSTDTXBG9MD  6664 SPRINT SPECTRUM, L.P. 560   2004-02-09   
281-310 5 Houston Suburban TX HSTNTXGIDS4  8413 ALLEGIANCE TELECOM OF TEXAS, INC. 560   2011-03-11   
281-310 6 Houston Suburban TX HSTOTXRWDS0  8958 XO TEXAS, INC. 560   2004-05-11   
281-310 7 Houston Suburban TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2014-11-24   
281-310 8 Houston Suburban TX HSTNTXGIDS4  8413 ALLEGIANCE TELECOM OF TEXAS, INC. 560   2011-03-11   
281-310 9 Houston Suburban TX HSTNTX01DS2  7421 AT&T - LOCAL 560      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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