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: FDWYWA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
253-528 A Des Moines WA 9638 QWEST CORPORATION 674      
253-528 0 Des Moines WA 9638 QWEST CORPORATION 674      
253-528 1 Des Moines WA 9638 QWEST CORPORATION 674      
253-529 A Des Moines WA 9638 QWEST CORPORATION 674      
253-839 A Des Moines WA 9638 QWEST CORPORATION 674      
253-941 A Des Moines WA 9638 QWEST CORPORATION 674      
253-945 A Des Moines WA 9638 QWEST CORPORATION 674      
253-946 A Des Moines WA 9638 QWEST CORPORATION 674      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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