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: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-292 A North Bend WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
425-292 0 North Bend WA   318J COMCAST IP PHONE, LLC 674   2005-05-14   
425-292 1 North Bend WA   483E ONVOY, LLC - WA 674   2006-10-02   
425-292 2 North Bend WA   483E ONVOY, LLC - WA 674   2017-10-06   
425-292 3 North Bend WA   318J COMCAST IP PHONE, LLC 674   2011-07-07   
425-292 4 North Bend WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2020-07-29   
425-292 5 North Bend WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-05-22   
425-292 6 North Bend WA   483E ONVOY, LLC - WA 674   2011-03-28   
425-292 7 North Bend WA   483E ONVOY, LLC - WA 674   2008-02-04   
425-292 8 North Bend WA   483E ONVOY, LLC - WA 674   2010-06-05   
425-292 9 North Bend WA   318J COMCAST IP PHONE, LLC 674   2007-07-08   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.