Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 945 [Rate centres in NPA 945] [Dial plan for NPA 945]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-403 A Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-31   
945-403 0 Dallas TX   903C ONVOY, LLC - TX 552   2025-11-03   
945-403 1 Dallas TX   903C ONVOY, LLC - TX 552   2025-11-03   
945-403 2 Dallas TX   903C ONVOY, LLC - TX 552   2025-11-03   
945-403 6 Dallas TX   903C ONVOY, LLC - TX 552   2025-11-03   
945-403 8 Dallas TX   903C ONVOY, LLC - TX 552   2025-11-03   
945-403 9 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-10-31   

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

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