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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-599 A Amarillo TX AMRLTX02X5Y  982H MID-PLAINS RURAL TEL COOP DBA MID-PLAINS COMM-TX 546      
806-599 0 Amarillo TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2021-01-29   
806-599 1 Amarillo TX AMRLTX02X5Y  982H MID-PLAINS RURAL TEL COOP DBA MID-PLAINS COMM-TX 546   2017-05-20   
806-599 2 Amarillo TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2021-01-29   
806-599 3 Amarillo TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2021-01-29   
806-599 4 Amarillo TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2019-11-20   
806-599 5 Amarillo TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2019-11-20   
806-599 6 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2018-05-17   
806-599 7 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2018-05-17   
806-599 8 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2018-05-17   
806-599 9 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2018-05-17   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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