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.

Halfway, OR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
458-297 A PNTNOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
458-297 8 PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2024-06-24   
458-297 9 BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2023-03-19   
541-742 A HLWYORXBRS0  2392 PINE TEL. SYSTEM 672   2024-02-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.