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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-639 A Amarillo TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546      
806-639 2 Amarillo TX   004F BANDWIDTH.COM CLEC, LLC - TX 546   2021-10-15   
806-639 3 Amarillo TX   5562 METROPCS, INC. 546   2017-10-14   
806-639 4 Amarillo TX   903C ONVOY, LLC - TX 546   2019-06-20   
806-639 5 Amarillo TX   903C ONVOY, LLC - TX 546   2019-06-20   
806-639 6 Amarillo TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 546   2019-06-14   
806-639 7 Amarillo TX   508J CENTURYLINK COMMUNICATIONS, LLC 546   2017-03-13   
806-639 8 Amarillo TX   903C ONVOY, LLC - TX 546   2019-06-20   
806-639 9 Amarillo TX   903C ONVOY, LLC - TX 546   2019-06-20   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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