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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-542 A Happy TX AMRLTX02XMX  903C ONVOY, LLC - TX 546      
806-542 0 Happy TX   903C ONVOY, LLC - TX 546   2021-01-30   
806-542 1 Happy TX   903C ONVOY, LLC - TX 546   2017-04-13   
806-542 2 Happy TX   903C ONVOY, LLC - TX 546   2019-08-18   
806-542 3 Happy TX   903C ONVOY, LLC - TX 546   2019-08-18   
806-542 4 Happy TX   903C ONVOY, LLC - TX 546   2021-01-30   
806-542 5 Happy TX   903C ONVOY, LLC - TX 546   2023-09-17   
806-542 8 Happy TX   624H ONVOY SPECTRUM, LLC 546   2024-03-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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