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: 715 [Rate centres in NPA 715] [Dial plan for NPA 715]

NXX: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-766 A Springbrook WI SPBKWIXARS2  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-766 2 Springbrook WI SPBKWIXARS2  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-766 3 Springbrook WI SPBKWIXARS2  1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK 352      
715-766 4 Springbrook WI RCLKWIXBGMD  225C ONVOY, LLC - WI 352   2021-04-04   
715-766 5 Springbrook WI RCLKWIXBGMD  225C ONVOY, LLC - WI 352   2020-05-29   
715-766 6 Springbrook WI   145J TERRA NOVA TELECOM INC. 352   2025-08-03   
715-766 7 Springbrook WI EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352   2014-11-28   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.