Carr Post Office

1650 Shackelford Rd, Florissant, MO 63031

Contact Numbers

Phone: 314-921-7542
Fax: 314-921-7280
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours
PO Box Access Available

Monday 9:00am - 1:30pm, 2:45pm - 5:00pm
Tuesday 9:00am - 1:30pm, 2:45pm - 5:00pm
Wednesday 9:00am - 1:30pm, 2:45pm - 5:00pm
Thursday 9:00am - 1:30pm, 2:45pm - 5:00pm
Friday 9:00am - 1:30pm, 2:45pm - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Business Line
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

2200 N Highway 67
1.5 miles away

6135 N Lindbergh Blvd
2.0 miles away

Hazelwood Bridgeton Ca
5750 Phantom Dr
2.5 miles away

8655 Airport Rd
2.7 miles away


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I used the mail box in front of this post office (Carr ) On this past Monday. How long does it typically take someone to receive mail because that person hasn't received it yet. It was going to a 63132 zip code!

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