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: 515

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-515 A Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674      
425-515 0 Bellevue WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-04-25   
425-515 1 Bellevue WA   6529 T-MOBILE USA, INC. 674   2020-03-03   
425-515 2 Bellevue WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-06-25   
425-515 3 Bellevue WA   6529 T-MOBILE USA, INC. 674   2020-12-13   
425-515 4 Bellevue WA   6529 T-MOBILE USA, INC. 674   2020-12-16   
425-515 5 Bellevue WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-25   
425-515 6 Bellevue WA   6529 T-MOBILE USA, INC. 674   2019-05-19   
425-515 7 Bellevue WA   6529 T-MOBILE USA, INC. 674   2019-03-31   
425-515 8 Bellevue WA   6529 T-MOBILE USA, INC. 674   2019-03-31   
425-515 9 Bellevue WA   6529 T-MOBILE USA, INC. 674   2019-03-31   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.