Flat Rock Post Office

All Post Office locations will be closed Christmas Day (Wednesday, Dec. 25) and New Year’s Day (Wednesday, Jan. 1). Regular Post Office hours and mail delivery will resume on the Thursday after each holiday. See the schedule below for more details. Services and hours of operation may vary by location, always check with your local Post Office for specific hours.

If you're shipping holiday cards and gifts for Hanukkah (Dec. 25–Jan. 2), Christmas (Dec. 25), Kwanzaa (Dec. 26–Jan. 1), or other holiday traditions, find the USPS^® recommended domestic, international, and military deadlines in these tables. The earlier you send, the better: Don’t delay, mail and ship today!

1. Check recommended shipping dates below.
2. Get free shipping supplies online or at your local Post Office^™ location—see holiday hours.
3. Print shipping labels.
4. Schedule a free package pickup.

USPS Holiday Service Schedule

All Post Office locations will be closed Christmas Day (Wednesday, Dec. 25) and New Year’s Day (Wednesday, Jan. 1). Regular Post Office hours and mail delivery will resume on the Thursday after each holiday. See the schedule below for more details. Services and hours of operation may vary by location, always check with your local Post Office for specific hours.

Business Customers: Check your Bulk Mail Entry Unit for hours of operation.

Tuesday, December 24 (Christmas Eve)

• Local Post Office locations will be open. Remember to check your local Post Office for specific hours.
• Blue Collection Boxes: Mail will be picked up by the scheduled collection times on the box. If the collection time has passed, find a Post Office location that may be open late.
• Regular mail will be delivered.
• Priority Mail Express^® mail will be delivered

Wednesday, December 25 (Christmas Day)

• Local Post Office locations will be closed.
• Blue Collection Boxes: Mail will not be picked up.
• Regular mail will not be delivered.
• Priority Mail Express mail will be delivered

Tuesday, December 31 (New Year’s Eve)

• Local Post Office locations will be open. Remember to check your local Post Office for specific hours.
• Blue Collection Boxes: Mail will be picked up by the scheduled collection times on the box. If the collection time has passed, find a Post Office location that may be open late.
• Regular mail will be delivered.
• Priority Mail Express mail will be delivered

Wednesday, January 1 (New Year’s Day)

• Local Post Office locations will be closed.
• Blue Collection Boxes: Mail will not be picked up.
• Regular mail will not be delivered.
• Priority Mail Express mail will be delivered.