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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
360-562 A Longview WA PTLDOR13Y5X  672      
360-562 9 Longview WA   672   2002-07-26   
360-644 0 Longview WA   672   2017-06-11   
360-916 0 Longview WA   672   2019-10-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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