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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-866 A Bellevue WA STTLWAWB24Z  516J TON80 COMMUNICATIONS, LLC 674      
425-866 0 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-07-05   
425-866 1 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-07-05   
425-866 2 Bellevue WA STTLWAWB24Z  516J TON80 COMMUNICATIONS, LLC 674   2021-05-07   
425-866 3 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-07-05   
425-866 4 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-08   
425-866 5 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-08   
425-866 6 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-08   
425-866 7 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-08   
425-866 8 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-08   
425-866 9 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.