Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: AMRLTX02XMX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-821 0 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 1 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 2 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 3 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 4 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 5 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 6 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-821 7 Amarillo TX 903C ONVOY, LLC - TX 546   2023-08-12   
806-826 6 Wheeler TX 903C ONVOY, LLC - TX 546   2021-02-15   
806-835 5 Lefors TX 903C ONVOY, LLC - TX 546   2018-10-13   
806-835 6 Lefors TX 903C ONVOY, LLC - TX 546   2019-08-18   
806-835 7 Lefors TX 903C ONVOY, LLC - TX 546   2019-08-18   
806-836 A Stinnett TX 903C ONVOY, LLC - TX 546      
806-836 2 Stinnett TX 903C ONVOY, LLC - TX 546   2021-06-03   
806-836 3 Stinnett TX 903C ONVOY, LLC - TX 546   2021-06-03   
806-838 0 Canyon TX 903C ONVOY, LLC - TX 546   2024-03-02   
806-838 2 Canyon TX 903C ONVOY, LLC - TX 546   2024-06-22   
806-838 9 Canyon TX 903C ONVOY, LLC - TX 546   2024-04-04   
806-848 5 Skellytown TX 903C ONVOY, LLC - TX 546   2018-10-13   
806-848 7 Skellytown TX 903C ONVOY, LLC - TX 546   2021-10-16   
806-878 0 Stinnett TX 903C ONVOY, LLC - TX 546   2018-10-13   
806-878 7 Stinnett TX 903C ONVOY, LLC - TX 546   2014-11-11   
806-878 9 Stinnett TX 903C ONVOY, LLC - TX 546   2019-02-18   
806-910 A Amarillo TX 903C ONVOY, LLC - TX 546      
806-910 0 Amarillo TX 903C ONVOY, LLC - TX 546   2024-08-17   
806-910 1 Amarillo TX 903C ONVOY, LLC - TX 546   2024-08-17   
806-910 9 Amarillo TX 903C ONVOY, LLC - TX 546   2021-02-07   
806-987 1 Friona TX 903C ONVOY, LLC - TX 546   2023-08-06   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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