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







Lobby Hours
PO Box Access Available

Monday 7:00am - 9:00pm
Tuesday 7:00am - 9:00pm
Wednesday 7:00am - 9:00pm
Thursday 7:00am - 9:00pm
Friday 7:00am - 9:00pm
Saturday 7:00am - 9:00pm
Sunday 12:00pm - 6:00pm

Last Collection Times

Monday 3:00pm
Tuesday 3:00pm
Wednesday 3:00pm
Thursday 3:00pm
Friday 3:00pm
Saturday 12:00pm
Sunday Closed

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

  • Business Line
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (International)
  • Packaged Stamps
  • Philatelic Services
  • Pickup Accountable Mail
  • 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:

Alton
2350 Homer M Adams Pkwy
1.0 miles away

Godfrey
400 Tolle Ln
1.2 miles away

Upper Alton
1624 Main St
1.5 miles away

East Alton
200 Smith Ave
3.1 miles away

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