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SAINT CHARLES

Post Office™
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1890 1ST CAPITOL DR
SAINT CHARLES, MO 63301-9998

Open now | Closes 4:00 pm

Saturday

9:00 am - 4:00 pm

Sunday

Closed

Monday

8:00 am - 6:00 pm

Tuesday

8:00 am - 6:00 pm

Wednesday

8:00 am - 6:00 pm

Thursday

8:00 am - 6:00 pm

Friday

8:00 am - 6:00 pm

See More Hours

1-800-ASK-USPS® | 800-275-8777
Phone | 636-949-2291
TTY | 877-889-2457

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Services at the Saint Charles Post Office

Service hours may vary. For all location services, see all hours.

  • Gift Card Services
  • Greeting Card Services
  • Domestic Money Orders
  • Inquiry Money Orders
  • Self-Service Kiosk
  • Carrier Services
  • Duck Stamps
  • General Delivery
  • Retail Label Broker®
  • Label Broker® (Self-Service)
  • Priority Mail International®
  • PO Box™ Online
  • USPS Smart Locker
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Pickup Notice Left Mail
  • Business Reply Mail® Account Balance
  • Business Reply Mail® New Permit
  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Call Referral
  • USPS Connect Local
  • In-Person Proofing Basic

*These services require an appointment or invitation.

Self-Service Kiosk

Mon-Fri 12:01 am-11:59 pm

Sat 12:01 am-11:59 pm

Sun 12:01 am-11:59 pm

Bulk Mail Acceptance

Mon-Fri 10:00 am-4:00 pm

Sat Closed

Sun Closed

Retail

Mon-Fri 8:00 am-6:00 pm

Sat 9:00 am-4:00 pm

Sun Closed

Call Referral

Mon-Fri 9:00 am-4:30 pm

Sat Closed

Sun Closed

Carrier Call Referral

Mon-Fri 8:45 am-4:00 pm

Sat Closed

Sun Closed

Last Collection

Mon-Fri 5:15 pm

Sat 4:00 pm

Sun Closed

Passport Appointments 

Mon-Fri 10:00 am-4:00 pm

Sat 10:00 am-1:45 pm

Sun Closed

Schedule an Appointment
Photo Appointments 

Mon-Fri 10:00 am-4:00 pm

Sat 10:00 am-1:45 pm

Sun Closed

Schedule an Appointment
Passport Walk-Ins

Mon 10:00 am-1:00 pm

Tue-Fri Closed

Sat Closed

Sun Closed

Pickup Accountable Mail

Mon-Fri 8:00 am-6:00 pm

Sat 9:00 am-4:00 pm

Sun Closed

Pickup Hold Mail

Mon-Fri 8:00 am-6:00 pm

Sat 9:00 am-4:00 pm

Sun Closed

Pickup Notice Left Mail

Mon-Fri 8:00 am-6:00 pm

Sat 9:00 am-4:00 pm

Sun Closed

PO Box™ Access

Mon-Fri 12:01 am-11:59 pm

Sat 12:01 am-11:59 pm

Sun 12:01 am-11:59 pm

PO Box™ Delivery

Mon-Fri 11:00 am

Sat 11:00 am

Sun Closed

SAINT CHARLES

1890 1ST CAPITOL DR

SAINT CHARLES, MO 63301-9998

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SAINT PETERS, MO 63376-9998

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331 N NEW BALLAS RD

SAINT LOUIS, MO 63141-9998

BRIDGETON

12255 NATURAL BRIDGE RD

BRIDGETON, MO 63044-9998

SAINT CHARLES SOUTH

1600 WOODSTONE DR

SAINT CHARLES, MO 63303-9997

MARYLAND HEIGHTS

177 WELDON PKWY

MARYLAND HEIGHTS, MO 63043-9998

At This Location

Lot Parking Available

For facility accessibility, please call the Post Office.
1-800-ASK-USPS® (800-275-8777)

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