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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-545 A Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 0 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 1 Renton WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
425-545 2 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 3 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 4 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 5 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 6 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 7 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 8 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-545 9 Renton WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.