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.
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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   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
458-297 9 PNTNOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
541-742 A HLWYORXBRS0  2392 PINE TEL. SYSTEM 672   2024-02-07   

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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