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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-476 A Bothell WA EVRTWAXAX5Y  483E ONVOY, LLC - WA 674      
425-476 0 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2023-07-03   
425-476 1 Bothell WA EVRTWAXAX5Y  483E ONVOY, LLC - WA 674   2023-06-15   
425-476 2 Bothell WA EVRTWAXAX5Y  483E ONVOY, LLC - WA 674   2023-06-15   
425-476 3 Bothell WA EVRTWAXAX5Y  483E ONVOY, LLC - WA 674   2023-06-15   
425-476 4 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2023-09-10   
425-476 5 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2023-10-22   
425-476 6 Bothell WA STTLWAWB28Z  490J DISH WIRELESS, LLC 674   2023-07-03   
425-476 7 Bothell WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2024-05-26   
425-476 8 Bothell WA   939H COMMIO, LLC 674   2024-04-18   
425-476 9 Bothell WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2023-06-16   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.