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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-380 A Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 0 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 1 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 2 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 3 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 4 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 5 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 6 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 7 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 8 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   
945-380 9 Irving TX   6529 T-MOBILE USA, INC. 552   2025-05-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.