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.

Switch: WDBNORBQDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-309 8 Ridgefield WA 937F ASTOUND BROADBAND, LLC - WA 672   2020-08-28   
360-369 1 Battle Ground WA 937F ASTOUND BROADBAND, LLC - WA 672   2019-10-26   
360-409 8 Camas WA 937F ASTOUND BROADBAND, LLC - WA 672   2019-10-26   
360-644 6 Longview WA 937F ASTOUND BROADBAND, LLC - WA 672   2017-04-24   
360-768 9 Vancouver WA 937F ASTOUND BROADBAND, LLC - WA 672   2017-04-23   
360-795 4 Cathlamet WA 937F ASTOUND BROADBAND, LLC - WA 672   2020-08-28   
360-938 1 Woodland WA 937F ASTOUND BROADBAND, LLC - WA 672   2020-08-23   
360-967 6 Castle Rock WA 937F ASTOUND BROADBAND, LLC - WA 672   2020-08-28   
509-219 5 Stevenson WA 937F ASTOUND BROADBAND, LLC - WA 672   2019-11-10   
509-281 8 White Salmon WA 937F ASTOUND BROADBAND, LLC - WA 672   2018-05-05   

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

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