Local Calling Guide

Area code/prefix search

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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-551 A Littlefield TX LTFDTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544      
806-551 2 Littlefield TX LBCKTXPSXPX  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 544   2019-03-07   
806-551 6 Littlefield TX LBCKTXPSXFX  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 544   2023-03-10   
806-551 9 Littlefield TX LTFDTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544   2016-09-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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