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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-661 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 0 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 1 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 2 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 3 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 4 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 5 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 6 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 7 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-03-22   
206-661 8 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-03-22   
206-661 9 Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.