Credit unions in Sun Prairie, WI
3 locations of 2 credit unions. Open or closed right now is worked out from the hours each branch filed with the NCUA.
- Summit Credit Union112 S Grand Ave · Sun PrairieHours as filed
- Summit Credit Union1333 W Main St · Sun Prairie
- University of Wisconsin Credit Union250 S Grand Ave · Sun PrairieHours as filed
Source: NCUA quarterly data, cycle June 30, 2026.