USPS in Houghton, MI
ZIP code 499318 locations. Everything in Houghton.
- Post boxes
- Post offices
- Box type unconfirmed
- Box type unconfirmedMon–Sat10:30 am
- Box type unconfirmedMon–Sat9:30 am
- Box type unconfirmed
- Box type unconfirmedMon–Sat9:15 am
- Box type unconfirmed
- Box type unconfirmed
- Houghton Post OfficePost office