Local Calling Guide

Area code/prefix search

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NPA: 945 [Rate centres in NPA 945] [Dial plan for NPA 945]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-399 A Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-10   
945-399 0 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 1 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 2 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 3 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 4 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 5 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 6 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 7 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 8 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-13   
945-399 9 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-10   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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