So i am trying to fill out a form on the internet and i am confused. here it is copied and pasted: Your address requires more details The USPS address standardization system could not find your exact address. Please select an address from the list below that best matches your address. Street City State Zip US Highway 85BuffaloSD57720-6000 US Highway 85BuffaloSD57720-6001 US Highway 85BuffaloSD57720-6500 US Highway 85BuffaloSD57720-6503 US Highway 85BuffaloSD57720-6501 On the left side of the street it has a drop down box with a lot of numbers (example 11300). idk what this means! all i know is that my long zip code is 57720-0031. what should i do?? i tried but it still doesnt work. i just picked the first one