Local Calling Guide

Area code/prefix search

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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 363

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-363 A Lake Dallas TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552      
940-363 0 Lake Dallas TX   6529 T-MOBILE USA, INC. 552   2023-12-09   
940-363 1 Lake Dallas TX   6529 T-MOBILE USA, INC. 552   2023-12-09   
940-363 2 Lake Dallas TX   6529 T-MOBILE USA, INC. 552   2023-12-09   
940-363 3 Lake Dallas TX   6529 T-MOBILE USA, INC. 552   2023-12-09   
940-363 4 Lake Dallas TX   6529 T-MOBILE USA, INC. 552   2023-12-09   
940-363 5 Lake Dallas TX   903C ONVOY, LLC - TX 552   2024-07-08   
940-363 6 Lake Dallas TX   624H ONVOY SPECTRUM, LLC 552   2024-12-13   
940-363 7 Lake Dallas TX   903C ONVOY, LLC - TX 552   2024-03-03   
940-363 8 Lake Dallas TX   903C ONVOY, LLC - TX 552   2024-03-03   
940-363 9 Lake Dallas TX   6529 T-MOBILE USA, INC. 552   2023-12-09   

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

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