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: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-624 A Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
425-624 0 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-07-22   
425-624 1 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-07-22   
425-624 2 Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2018-07-06   
425-624 3 Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2018-07-06   
425-624 4 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-07-22   
425-624 5 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-06-22   
425-624 6 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-06-22   
425-624 7 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-06-22   
425-624 8 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-06-07   
425-624 9 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-06-07   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.