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.

West Salem, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-351 A LCRSWIXCXNX  6529 T-MOBILE USA, INC. 354      
608-351 0   225C ONVOY, LLC - WI 354   2024-03-02   
608-351 1 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2018-09-14   
608-351 2 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2011-12-26   
608-351 3 MDSNWI11X1X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2012-12-17   
608-351 4 LCRSWIXCXKX  225C ONVOY, LLC - WI 354   2021-07-02   
608-351 5 LCRSWIXCXKX  225C ONVOY, LLC - WI 354   2021-07-02   
608-351 7 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-04   
608-351 8   225C ONVOY, LLC - WI 354   2024-04-05   
608-351 9   6529 T-MOBILE USA, INC. 354   2008-03-17   
608-612 A ONLSWIBR0MD  3839 CHARTER FIBERLINK, LLC - WI 354      
608-612 0 ONLSWIBR0MD  3839 CHARTER FIBERLINK, LLC - WI 354      
608-612 1 ONLSWIBR0MD  3839 CHARTER FIBERLINK, LLC - WI 354   2018-10-07   
608-612 2 LCRSWIXCXKX  225C ONVOY, LLC - WI 354   2021-11-15   
608-612 6 LCRSWIXCXKX  225C ONVOY, LLC - WI 354   2021-02-10   
608-612 8   225C ONVOY, LLC - WI 354   2024-05-12   
608-704 A LCRSWIXCXNX  6529 T-MOBILE USA, INC. 354      
608-704 6 LCRSWIXCXNX  6529 T-MOBILE USA, INC. 354   2022-05-08   
608-704 7 LCRSWIXCXNX  6529 T-MOBILE USA, INC. 354   2022-05-08   
608-704 8 LCRSWIXCXNX  6529 T-MOBILE USA, INC. 354   2022-05-08   
608-704 9 LCRSWIXCXNX  6529 T-MOBILE USA, INC. 354   2021-06-26   
608-731 A LCRSWIXCLMD  922G LEMONWEIR VALLEY TELEPHONE COMPANY - WI 354      
608-731 2 LCRSWIXCLMD  922G LEMONWEIR VALLEY TELEPHONE COMPANY - WI 354   2017-04-20   
608-731 3 MDSNWI11XXY  7804 TDS METROCOM, INC. - WI 354   2023-08-07   
608-731 6   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-01-08   
608-786 A WSLMWIXARS0  0895 CENTURYTEL OF WISCONSIN, LLC DBA CENTURYLINK 354      

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.