Local Calling Guide

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

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-306 A Splendora TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-306 0 Splendora TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-306 1 Splendora TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-02   
281-306 2 Splendora TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-306 3 Splendora TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-08-08   
281-306 4 Splendora TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-08-22   
281-306 5 Splendora TX   073H TELNYX LLC 560   2017-06-16   
281-306 6 Splendora TX   903C ONVOY, LLC - TX 560   2013-01-10   
281-306 7 Splendora TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2008-02-04   
281-306 8 Splendora TX   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 560   2010-12-23   
281-306 9 Splendora TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-02-24   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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