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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-231 A Des Moines WA   9638 QWEST CORPORATION 674   2017-07-13   
206-231 0 Des Moines WA   483E ONVOY, LLC - WA 674   2017-10-08   
206-231 1 Des Moines WA   5562 METRO PCS, INC. 674   2017-11-10   
206-231 2 Des Moines WA   9638 QWEST CORPORATION 674   2017-07-13   
206-231 3 Des Moines WA   9638 QWEST CORPORATION 674   2017-07-13   
206-231 4 Des Moines WA   9638 QWEST CORPORATION 674   2017-07-13   
206-231 5 Des Moines WA   073H TELNYX LLC 674   2018-08-28   
206-231 6 Des Moines WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-11-09   
206-231 7 Des Moines WA   5562 METRO PCS, INC. 674   2018-08-06   
206-231 8 Des Moines WA   5562 METRO PCS, INC. 674   2018-08-06   
206-231 9 Des Moines WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-09-03   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.