Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: AMRLTX02XZX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-290 A Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546      
806-318 A Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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