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Post Offices in Morris Plains

Click on the Post Office from this list of 1 Post Offices in Morris Plains to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Morris Plains (NJ)
485 Speedwell Ave
Morris Plains, NJ 07950
The Post Office is open Monday to Wednesday and on Friday from 6:00 am to 6:00 pm and on Saturday from 6:00 am to 5:30 pm. It is closed on Thursday and on Sunday.