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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-203 A Allison TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546      
806-203 0 Allison TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2004-05-23   
806-203 1 Allison TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2013-06-29   
806-203 2 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2021-01-30   
806-203 3 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2011-10-06   
806-203 4 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2013-08-20   
806-203 5 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2020-08-21   
806-203 6 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2020-08-21   
806-203 7 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2020-08-21   
806-203 8 Allison TX AMRLTX02XMX  903C ONVOY, LLC - TX 546   2021-01-30   
806-203 9 Allison TX AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2018-03-17   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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