46-48 HARRISON AVE. BROOKLYN. What Can I Purchase with WIC Vouchers?A variety of nutritious foods can be purchased with WIC vouchers. Reach out to Callaway County WIC office to get your business on the list! Using a buy one, get one free promotion allows WIC participants to get additional quantities of WIC foods or nonWIC items at no cost. WIC provides nutritious foods (primarily through retail grocery stores), nutrition counseling, and referrals to health care and social services. How Do I Apply for WIC? Help Fill Out Forms (48). All other existing service fees will remain the same. Parking is available to all staff.