Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-437 A Amarillo TX AMRLTXDRXMD  516C AT&T CORP. 546      
806-437 0 Amarillo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2014-10-14   
806-437 1 Amarillo TX   516C AT&T CORP. 546   2009-03-26   
806-437 2 Amarillo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2014-10-14   
806-437 3 Amarillo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2014-10-14   
806-437 4 Amarillo TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2014-10-14   
806-437 5 Amarillo TX   6529 T-MOBILE USA, INC. 546   2014-11-22   
806-437 6 Amarillo TX   6529 T-MOBILE USA, INC. 546   2014-02-24   
806-437 7 Amarillo TX   6529 T-MOBILE USA, INC. 546   2014-02-24   
806-437 8 Amarillo TX   6529 T-MOBILE USA, INC. 546   2014-02-24   
806-437 9 Amarillo TX   6529 T-MOBILE USA, INC. 546   2014-02-24   

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

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