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.

Switch: SCFLWIXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-483 A St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-483 0 St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-483 1 St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-483 2 St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-483 3 St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-483 5 St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-483 9 St Croix Falls WI 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.