Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 234

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-234 A Kent WA STTNWAHODS1  7340 XO WASHINGTON, INC. - WA 674      
253-234 0 Kent WA   7340 XO WASHINGTON, INC. - WA 674      
253-234 1 Kent WA   483E ONVOY, LLC - WA 674   2006-06-26   
253-234 2 Kent WA   7340 XO WASHINGTON, INC. - WA 674   2006-10-09   
253-234 3 Kent WA   7340 XO WASHINGTON, INC. - WA 674      
253-234 4 Kent WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-01-30   
253-234 5 Kent WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-01-30   
253-234 6 Kent WA   9638 QWEST CORPORATION 674   2008-12-12   
253-234 7 Kent WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2011-07-04   
253-234 8 Kent WA   7340 XO WASHINGTON, INC. - WA 674      
253-234 9 Kent WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2011-07-04   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.