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: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-499 A Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-499 0 Kent WA   939H COMMIO, LLC 674   2021-10-14   
253-499 1 Kent WA   939H COMMIO, LLC 674   2021-10-14   
253-499 2 Kent WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-12-30   
253-499 3 Kent WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-04-28   
253-499 4 Kent WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-499 5 Kent WA   483E ONVOY, LLC - WA 674   2015-10-11   
253-499 6 Kent WA   483E ONVOY, LLC - WA 674   2019-01-18   
253-499 7 Kent WA   483E ONVOY, LLC - WA 674   2019-01-18   
253-499 8 Kent WA   483E ONVOY, LLC - WA 674   2019-01-18   
253-499 9 Kent WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      

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

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