- Arlington Heights Post Office (arlington-heights)
- Canton Post Office (canton)
- Civic Center Post Office (oakland)
- Downtown Post Office (ann-arbor)
- Downtown Post Office (historic) (oakland)
- Downtown Urbana Post Office (cu)
- Neil Street Post Office (cu)
- Northwest Stamp Club (arlington-heights)
- Oakland Main Post Office (oakland)
- Salem Post Office (ann-arbor)
- South University Post Office (ann-arbor)
- Station A Post Office (cu)
- Tolono Post Office (cu)
- University Post Office (cu)
- Urbana Post Office (cu)
- Zip Codes (toledo)