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.

Switch: STTNWAHODS6

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
425-529 A Renton WA 7340 XO WASHINGTON, INC. 674      
425-529 0 Renton WA 7340 XO WASHINGTON, INC. 674      
425-529 1 Renton WA 7340 XO WASHINGTON, INC. 674      
425-529 2 Renton WA 7340 XO WASHINGTON, INC. 674      
425-529 9 Renton WA 7340 XO WASHINGTON, INC. 674   2006-08-14   
425-658 5 Kirkland WA 7340 XO WASHINGTON, INC. 674   2011-09-29   
425-777 2 Bellevue WA 7340 XO WASHINGTON, INC. 674   2012-07-16   
425-777 3 Bellevue WA 7340 XO WASHINGTON, INC. 674   2012-07-16   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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