Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-306 A Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552      
940-306 0 Tioga TX DLLSTX97X6X  145J TERRA NOVA TELECOM INC. 552   2024-02-13   
940-306 2 Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552   2021-03-07   
940-306 3 Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552   2021-03-07   
940-306 4 Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552   2021-07-17   
940-306 6 Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552   2021-06-28   
940-306 7 Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552   2021-04-12   
940-306 9 Tioga TX DNTNTXXAX7Y  903C ONVOY, LLC - TX 552   2022-12-11   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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