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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-305 A Rockwall TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
945-305 0 Rockwall TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2023-11-03   
945-305 1 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2024-11-25   
945-305 2 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2024-11-25   
945-305 3 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2024-11-25   
945-305 4 Rockwall TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-03-18   
945-305 5 Rockwall TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2024-06-16   
945-305 6 Rockwall TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2024-06-16   
945-305 8 Rockwall TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-03-08   
945-305 9 Rockwall TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2023-11-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.