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: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-381 A Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 0 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 1 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 2 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 3 Amarillo TX AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2016-01-03   
806-381 4 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 5 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 6 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 7 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 8 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 9 Amarillo TX AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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