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: 325

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-325 A Bothell WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-13   
425-325 0 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2024-12-16   
425-325 1 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2024-12-16   
425-325 2 Bothell WA STTLWA060MD  5562 METROPCS, INC. 674   2024-12-15   
425-325 3 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2026-07-05   
425-325 4 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2025-10-23   
425-325 5 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2026-09-10   
425-325 6 Bothell WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2026-07-27   
425-325 7 Bothell WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2026-05-29   
425-325 8 Bothell WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2025-05-19   
425-325 9 Bothell WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-13   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.