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: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-287 A Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
945-287 0 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-26   
945-287 1 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-26   
945-287 2 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-03-26   
945-287 3 Plano TX DLLSTXAL7MD  073H TELNYX LLC 552   2023-05-26   
945-287 4 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 5 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 6 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 7 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 8 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   
945-287 9 Plano TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2023-06-10   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.