IL and MO — The Gateway District Post Offices will be closed on Monday, May 25, 2020, in observance of Memorial Day. There will be no mail delivery, caller service or Post Office Box service. All services will resume on Tuesday, May 26. The Post Office will be open regularly scheduled hours on Saturday, May 23.

Customers who wish to purchase stamps, mail packages, or ship urgent letters or packages on May 25 may use the Self Service Kiosks available at select post offices. The ATM-like kiosk accepts credit or debit cards only and can handle about 80 percent of typical postal transactions – like weigh packages and dispense postage for Priority Express, Priority, First-Class and Parcel Post mail.  Self Service Kiosks are accessible 24 hours a day, seven days a week.

To obtain the phone number of a specific Post Office, customers may call 1-800-ASK-USPS.

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