HARPER Post Office, Detroit, MI
10254 GRATIOT AVE DETROIT, MI 48213 - 9998
Lot Parking Available
HARPER Post Office Phone Numbers
Phone 313-923-8249
Fax 313-923-0787
TTY 877-889-2457
HARPER Post Office Hours
- Mon-Fri 08:00 AM - 05:00 PM
- Sat 10:00 AM - 02:00 PM
- Sun Closed
Lobby Hours
- Mon-Fri 07:00 AM - 06:00 PM
- Sat 07:00 AM - 02:00 PM
- Sun Closed
Last Collection Hours
- Mon-Fri 05:00 PM
- Sat 05:00 PM
- Sun Closed
PO Box Access Hours
- Mon-Fri 07:00 AM - 06:00 PM
- Sat 07:00 AM - 02:00 PM
- Sun Closed
Pickup Services Hours
- Mon-Fri 08:00 AM - 05:00 PM
- Sat 10:00 AM - 02:00 PM
- Sun Closed
PO Box Delivery Hours
- Mon-Fri 10:00 AM
- Sat 10:00 AM
- Sun Closed
Call Referral Hours
- Mon-Fri 08:00 AM - 05:00 PM
- Sat 08:00 AM - 05:00 PM
- Sun Closed
On-Site Services at HARPER
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Burial Flags
- Call Referral
- Duck Stamps
- Gift Card Services
- Greeting Card Services
- Label Broker
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Pickup Accountable Mail
- Pickup Hold Mail
- Priority Mail International
- PO Box Online