Carrier Square Post Office
does not have retail counter servicesThis USPS post office is located in Saint Louis, MO where the date and time is currently: 5/13/2026, 12:13:20 PM
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Address
1720 Market St Rm G206
Saint Louis, MO 63155-9991
Latitude: 38.628048, Longitude: -90.2059259
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Phone numbers
Services at Carrier Square Post Office
No dedicated parking. Here's what you can do at this location:
Shipping
- Carrier Services
- Postal carriers deliver and pick up mail and packages along routes serving homes and businesses in this area. You can schedule a free package pickup from your address.
PO Box & Mail
- Accountable Mail Pickup
- Pick up items that require a signature: Certified Mail, Registered Mail, Collect on Delivery, insured packages, and Signature Confirmation items.
- Hold Mail Pickup
- Pick up mail that USPS has been holding while you were away. You can request a hold for up to 30 days through usps.com or at the counter.
- Package Pickup (Notice Left)
- Pick up a package that couldn't be delivered — the carrier left a slip at your door. Bring the notice and a valid ID.
Other Services
- Customer Service Referrals
- Staff can help answer questions or direct you to the right resource for issues with mail delivery, address changes, or other USPS services.