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: EVRTWAXAX5Y

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
425-947 8 Kirkland WA 483E ONVOY, LLC - WA 674   2012-04-02   
425-952 0 Kirkland WA 483E ONVOY, LLC - WA 674      
425-952 1 Kirkland WA 483E ONVOY, LLC - WA 674      
425-952 7 Kirkland WA 483E ONVOY, LLC - WA 674      
425-952 8 Kirkland WA 483E ONVOY, LLC - WA 674      
425-977 0 Halls Lake WA 483E ONVOY, LLC - WA 674      
425-977 1 Halls Lake WA 483E ONVOY, LLC - WA 674      
425-977 7 Halls Lake WA 483E ONVOY, LLC - WA 674      
425-977 8 Halls Lake WA 483E ONVOY, LLC - WA 674      
425-979 2 Kirkland WA 483E ONVOY, LLC - WA 674   2016-01-04   
425-979 4 Kirkland WA 483E ONVOY, LLC - WA 674   2016-02-11   
425-979 7 Kirkland WA 483E ONVOY, LLC - WA 674   2015-09-25   
564-242 A Marysville WA 483E ONVOY, LLC - WA 674      
564-242 2 Marysville WA 483E ONVOY, LLC - WA 674   2023-03-26   
564-242 3 Marysville WA 483E ONVOY, LLC - WA 674   2023-03-26   
564-242 4 Marysville WA 483E ONVOY, LLC - WA 674   2023-03-26   
564-565 A Whatcom County WA 483E ONVOY, LLC - WA 674      
564-565 2 Whatcom County WA 483E ONVOY, LLC - WA 674   2023-01-15   
564-565 3 Whatcom County WA 483E ONVOY, LLC - WA 674   2023-01-15   
564-565 4 Whatcom County WA 483E ONVOY, LLC - WA 674   2023-01-15   
564-565 5 Whatcom County WA 483E ONVOY, LLC - WA 674   2023-01-15   
564-565 6 Whatcom County WA 483E ONVOY, LLC - WA 674   2023-01-15   
564-676 2 Oak Harbor WA 483E ONVOY, LLC - WA 674   2021-11-13   
564-676 3 Oak Harbor WA 483E ONVOY, LLC - WA 674   2021-11-13   
564-676 4 Oak Harbor WA 483E ONVOY, LLC - WA 674   2021-11-13   

<< 1 2 3 4 5 6 7

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.