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: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-742 A Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-742 0 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-742 1 Des Moines WA STTLWA03LMD  5562 METROPCS, INC. 674      
206-742 2 Des Moines WA STTLWA03LMD  5562 METROPCS, INC. 674      
206-742 3 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-742 4 Des Moines WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-742 5 Des Moines WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-742 6 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-742 7 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-742 8 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-742 9 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.