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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-223 A Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-223 0 Bellevue WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2004-10-20   
425-223 1 Bellevue WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2004-10-20   
425-223 2 Bellevue WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2004-10-20   
425-223 3 Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2004-09-02   
425-223 4 Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-223 5 Bellevue WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2003-03-01   
425-223 6 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2004-11-23   
425-223 7 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2004-11-23   
425-223 8 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2005-10-01   
425-223 9 Bellevue WA BOTHWAAK5MD  6529 T-MOBILE USA, INC. 674   2004-11-23   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.