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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-270 A Lewisville TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
945-270 0 Lewisville TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2022-11-19   
945-270 1 Lewisville TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2022-11-19   
945-270 2 Lewisville TX   6529 T-MOBILE USA, INC. 552   2025-02-27   
945-270 3 Lewisville TX DLLTTXID1MD  5562 METROPCS, INC. 552   2022-11-20   
945-270 4 Lewisville TX DLLTTXID1MD  5562 METROPCS, INC. 552   2022-11-20   
945-270 5 Lewisville TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-01-28   
945-270 6 Lewisville TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-01-28   
945-270 7 Lewisville TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2023-01-15   
945-270 8 Lewisville TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2023-01-15   
945-270 9 Lewisville TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-01-28   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.