Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Hat Island, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-444 A SWHDWAXXDS1  2417 HAT ISLAND TEL. CO. 674      
564-223 A STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
564-223 1 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2022-10-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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