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: PLSBWAXXQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-994 A Poulsbo WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-506 A Kirkland WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
564-251 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   
564-252 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   
564-253 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   
564-254 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   
564-255 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   
564-256 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   
564-257 A Bremerton WA 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2024-03-08   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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