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: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-777 A Bellevue WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
425-777 0 Bellevue WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-04   
425-777 1 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2012-09-24   
425-777 2 Bellevue WA STTNWAHODS6  7340 XO WASHINGTON, INC. 674   2012-07-16   
425-777 3 Bellevue WA STTNWAHODS6  7340 XO WASHINGTON, INC. 674   2012-07-16   
425-777 4 Bellevue WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-06-04   
425-777 5 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2012-09-24   
425-777 6 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2012-08-09   
425-777 7 Bellevue WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2012-04-26   
425-777 8 Bellevue WA BLLVWAGLDS0  9638 QWEST CORPORATION 674   2012-07-13   
425-777 9 Bellevue WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-04-27   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.