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: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-750 A Sumner WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
253-750 0 Sumner WA   318J COMCAST IP PHONE, LLC 674   2011-10-03   
253-750 1 Sumner WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2019-05-10   
253-750 2 Sumner WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-07-18   
253-750 3 Sumner WA   318J COMCAST IP PHONE, LLC 674   2013-11-08   
253-750 4 Sumner WA   318J COMCAST IP PHONE, LLC 674   2010-07-25   
253-750 5 Sumner WA   318J COMCAST IP PHONE, LLC 674   2015-05-04   
253-750 6 Sumner WA   9638 QWEST CORPORATION 674   2013-04-15   
253-750 7 Sumner WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2018-04-12   
253-750 8 Sumner WA   508J CENTURYLINK COMMUNICATIONS, LLC 674   2015-06-26   
253-750 9 Sumner WA   483E ONVOY, LLC - WA 674   2016-02-11   

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

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