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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-506 A Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-506 0 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 1 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 2 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 3 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 4 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 5 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 6 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 7 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 8 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 9 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.