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: 508

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-508 A Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674   2024-02-09   
425-508 0 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 1 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 2 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 3 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 4 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 5 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 6 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 7 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 8 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-508 9 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.