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: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-610 A Everett WA TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674      
425-610 0 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674   2011-04-01   
425-610 1 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674   2012-09-14   
425-610 2 Everett WA TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674   2013-12-05   
425-610 3 Everett WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2013-08-22   
425-610 4 Everett WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2009-05-08   
425-610 5 Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674   2014-09-20   
425-610 6 Everett WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-610 7 Everett WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-610 8 Everett WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   
425-610 9 Everett WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-02-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.