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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-223 A Amarillo TX AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-223 0 Amarillo TX   004F BANDWIDTH.COM CLEC, LLC - TX 546   2011-08-29   
806-223 1 Amarillo TX   004F BANDWIDTH.COM CLEC, LLC - TX 546   2011-09-18   
806-223 2 Amarillo TX   004F BANDWIDTH.COM CLEC, LLC - TX 546   2011-10-14   
806-223 3 Amarillo TX   6529 T-MOBILE USA, INC. 546   2004-11-03   
806-223 4 Amarillo TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2011-04-23   
806-223 5 Amarillo TX   5562 METROPCS, INC. 546   2004-11-12   
806-223 6 Amarillo TX   5562 METROPCS, INC. 546   2004-11-12   
806-223 7 Amarillo TX   6529 T-MOBILE USA, INC. 546   2004-11-12   
806-223 8 Amarillo TX   6529 T-MOBILE USA, INC. 546   2004-11-19   
806-223 9 Amarillo TX   6529 T-MOBILE USA, INC. 546   2004-04-23   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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