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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-277 A Kent WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
253-277 0 Kent WA   318J COMCAST IP PHONE, LLC 674      
253-277 1 Kent WA   318J COMCAST IP PHONE, LLC 674      
253-277 2 Kent WA   318J COMCAST IP PHONE, LLC 674   2006-06-24   
253-277 3 Kent WA   318J COMCAST IP PHONE, LLC 674   2006-06-24   
253-277 4 Kent WA   318J COMCAST IP PHONE, LLC 674   2011-09-30   
253-277 5 Kent WA   7720 RAINIER CONNECT, INC. - WA 674   2012-06-14   
253-277 6 Kent WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2020-07-28   
253-277 7 Kent WA   318J COMCAST IP PHONE, LLC 674   2013-09-25   
253-277 8 Kent WA   318J COMCAST IP PHONE, LLC 674   2014-01-09   
253-277 9 Kent WA   318J COMCAST IP PHONE, LLC 674   2014-07-09   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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