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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-304 A Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 0 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 1 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 2 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 3 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 4 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 5 Des Moines WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-304 6 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 7 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 8 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-304 9 Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.