Post offices offer a full range of mail and shipping services, including passport acceptance at authorized locations. Southwest Post Office is located at 3232 Clifton Avenue, St. Louis, MO. Check the location's current hours before visiting, and bring a photo ID if you are picking up held mail, purchasing a money order, or submitting a passport application.
Southwest Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in St Louis, Missouri.
| Name | Southwest Post Office |
| Address | 3232 Clifton Avenue, St. Louis MO 63139 Map |
| Phone | (314) 645-0902 |
| Website | |
| Hours |
Map of Southwest Post Office
About Southwest Post Office
The Southwest Post Office, located in St. Louis, MO, is a branch location of the United States Postal Service (USPS) that serves the St. Louis community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
- Current hours, services, and self-service kiosk availability at Southwest Post Office
- PO box rental rates, sizes, and availability
- Passport application acceptance and appointment scheduling
- Mail forwarding, hold mail requests, and package pickup scheduling