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: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-557 A Canyon TX   903C ONVOY, LLC - TX 546      
806-557 0 Canyon TX   004F BANDWIDTH.COM CLEC, LLC - TX 546   2015-07-17   
806-557 1 Canyon TX   903C ONVOY, LLC - TX 546   2019-08-18   
806-557 2 Canyon TX   903C ONVOY, LLC - TX 546   2019-08-18   
806-557 3 Canyon TX   903C ONVOY, LLC - TX 546   2018-10-13   
806-557 4 Canyon TX   318C CEBRIDGE TELECOM TX , L.P. - TX 546   2006-07-31   
806-557 5 Canyon TX   5562 METROPCS, INC. 546   2016-07-15   
806-557 6 Canyon TX   318C CEBRIDGE TELECOM TX , L.P. - TX 546   2004-08-25   
806-557 7 Canyon TX   508J CENTURYLINK COMMUNICATIONS, LLC 546   2017-03-18   
806-557 8 Canyon TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2014-09-11   
806-557 9 Canyon TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2026-01-23   

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

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