Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-447 A Sumner WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2025-01-13   
253-447 0 Sumner WA   483E ONVOY, LLC - WA 674   2006-06-26   
253-447 1 Sumner WA   483E ONVOY, LLC - WA 674   2005-03-13   
253-447 2 Sumner WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2004-02-08   
253-447 3 Sumner WA   9638 QWEST CORPORATION 674   2005-11-14   
253-447 4 Sumner WA   9638 QWEST CORPORATION 674   2003-11-12   
253-447 5 Sumner WA   483E ONVOY, LLC - WA 674   2009-07-30   
253-447 6 Sumner WA   483E ONVOY, LLC - WA 674   2017-10-08   
253-447 7 Sumner WA   318J COMCAST IP PHONE, LLC 674   2006-09-19   
253-447 8 Sumner WA   318J COMCAST IP PHONE, LLC 674   2006-09-19   
253-447 9 Sumner WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      

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

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