Local Calling Guide

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

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-661 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-661 0 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2010-01-30   
281-661 1 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-06-13   
281-661 2 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2009-05-25   
281-661 3 Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2009-08-13   
281-661 4 Houston TX HSTATX757MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560   2009-10-20   
281-661 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-06-21   
281-661 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-07-16   
281-661 7 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-08-02   
281-661 8 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-08-02   
281-661 9 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2010-01-30   

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

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