Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-606 A Idalou TX LBCKTXPSXJY  508J CENTURYLINK COMMUNICATIONS, LLC 544      
806-606 0 Idalou TX   903C ONVOY, LLC - TX 544   2018-10-12   
806-606 1 Idalou TX   318C CEBRIDGE TELECOM TX , L.P. - TX 544   2019-11-04   
806-606 6 Idalou TX   903C ONVOY, LLC - TX 544   2017-03-24   
806-606 7 Idalou TX   508J CENTURYLINK COMMUNICATIONS, LLC 544   2016-02-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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