Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Ridgefield, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-887 6   318J COMCAST IP PHONE, LLC 672   2014-08-21   
360-887 7   9638 QWEST CORPORATION 672      
360-887 8   9638 QWEST CORPORATION 672      
360-887 9   9638 QWEST CORPORATION 672      

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

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