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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-337 A Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 0 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2010-11-18   
806-337 1 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 2 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2011-03-12   
806-337 3 Amarillo TX AMRLTX02X1Y  5562 METROPCS, INC. 546   2021-01-08   
806-337 4 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 5 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 6 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 7 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 8 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-337 9 Amarillo TX AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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