Local Calling Guide

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

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-617 A Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-617 0 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2005-08-05   
281-617 1 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-06-30   
281-617 2 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-06-30   
281-617 3 Houston Suburban TX HSTOTXRWDS3  8958 XO TEXAS, INC. 560   2007-05-04   
281-617 4 Houston Suburban TX HSTOTXRWDS3  8958 XO TEXAS, INC. 560   2007-05-04   
281-617 5 Houston Suburban TX HSTOTXRWDS3  8958 XO TEXAS, INC. 560   2008-02-25   
281-617 6 Houston Suburban TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2008-07-21   
281-617 7 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2008-03-24   
281-617 8 Houston Suburban TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2008-07-21   
281-617 9 Houston Suburban TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2008-07-21   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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