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 AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546   2015-07-17   
806-557 1 Canyon TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2019-08-18   
806-557 2 Canyon TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2019-08-18   
806-557 3 Canyon TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2018-10-13   
806-557 4 Canyon TX AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2006-07-31   
806-557 5 Canyon TX AMRLTX02X1Y  5562 METROPCS, INC. 546   2016-07-15   
806-557 6 Canyon TX AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2004-08-25   
806-557 7 Canyon TX AMRLTX02X4Y  508J CENTURYLINK COMMUNICATIONS, LLC 546   2017-03-18   
806-557 8 Canyon TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2014-09-11   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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