Each department or field office has been assigned a 4-digit mail stop equivalent to the Zip Plus 4. If you do not provide mail stop codes for internal mail, it may not be delivered in a timely manner, ...

To help us get to you more quickly, please provide your office/department name and mail stop code (MSC) to all correspondents when having business related mail sent to Miami University. We collect, ...

Inter-campus mail requires the addressee’s exact mail stop code (plus-4), first name, last name, and the department name (i.e. English, Accounts Payable) to be clearly marked on the material or ...