Scrap metal dealers may also take some appliances. Many communities also have a Household Hazardous Waste collection program. Call your public works department for details. Many shipping companies will take used boxes. Look in the phone book under Mailing Services and Shipping Services.
Many grocery stores have receptacles for recycling plastic grocery bags.
Check the store nearest you. Many shipping companies will reuse polystyrene packing peanuts and bubble wrap. Check the phone book under Mailing Services. There are many resale and thrift shops in the state that accept usable items. Try Deseret Industries, Salvation Army or look in the phone book under Thrift Stores.