Alton Square Post Office

117 Alton Sq, Alton, IL 62002

Contact Numbers:

Phone: 618-463-4728
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 9:30am - 5:00pm Saturday 10:00am - 2:00pm Sunday Closed

Pickup Services Hours

Monday-Friday 9:30am - 5:00pm Saturday 10:00am - 2:00pm Sunday Closed

Lobby Hours

Monday-Saturday 6:30am - 9:00pm Sunday 12:00pm - 6:00pm

PO Box Access Hours

Monday-Saturday 6:30am - 9:00pm Sunday 12:00pm - 6:00pm

Last Collection Hours

Monday-Friday 5:00pm Saturday 2:30pm Sunday Closed

Global Express Guaranteed® Hours

Monday-Friday 9:30am - 5:00pm Saturday 10:00am - 2:00pm Sunday Closed

Philatelic Services Hours

Monday-Friday 9:30am - 5:00pm Saturday 10:00am - 2:00pm Sunday Closed

*This facility is not a US Passport renewal office. Check nearby locations below to apply for or renew your passport.

*Please call to verify all information

  • Duck Stamps
  • General Delivery
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Philatelic Services
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®

Visit our Links Page for information pertaining to Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs for Employment in a new post office career.

*Is any of the above information incorrect? Let us know here

Nearby Post Offices:

Alton
727 Belle St
1.2 miles away

Godfrey
400 Tolle Ln
1.2 miles away

Upper Alton
1624 Main St
1.4 miles away

West Alton
14000r Us Highway 67
3.0 miles away

Click Here for Larger Map - *Please call to verify location


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