Unified Government of Wyandotte County and Kansas City Contact Details County: Wyandotte Address: 701 N. 7th St. Kansas City, KS 66101 Website: Unified Gov't of WYCO/KCKFacebook Phone: 913-573-8312 Service HoursWeekdays: 8:00 a.m. - 5:00 p.m.Weekends: N/AAdditional Hours: N/A Organization CharacteristicsOrganization Type:Local Government (City or County)