Wisconsin Center open to all state residents for walk-in COVID-19 vaccinations Share The Wisconsin Center The Wisconsin Center is now offering walk-in COVID-19 vaccinations for all Wisconsin residents, the City of Milwaukee Health Department announced Thursday. The Wisconsin Center has two entrances – the corner of West Wells Street and Vel R. Phillips Avenue and the corner of West Wells Street and West Wisconsin Avenue. Free parking is available at 500 W. Wells St. and overflow parking is available in the surface lot at 4th Street and West Wisconsin Avenue. The Wisconsin Center is open 9 a.m. to 6 p.m., Monday through Saturday and 8 a.m. to 4 p.m. on Sundays. Walk-in vaccines will be available through this weekend.