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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-356 A Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 0 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 1 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 2 Amarillo TX AMRLTXDRX4X  145J TERRA NOVA TELECOM INC. 546   2024-05-10   
806-356 3 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 4 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 5 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 6 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 7 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 8 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 9 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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