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Saint Charles Post Office Hours

Retail Hours

Contact Numbers:

Phone: 630-584-2318
Monday-Friday 8:00am - 5:30pm
Saturday 8:00am - 2:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 1:00pm, 2:00pm - 4:00pm
Saturday-Sunday Closed

Monday-Friday 8:00am - 6:00pm
Saturday 8:00am - 2:00pm
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

Monday-Sunday 12:01am - 11:59pm

Last Collection Times

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Mwandu F Siajunza (Postmaster)
2600 Oak St
Saint Charles, IL 60175

The Saint Charles Post Office is located in the state of Illinois within Kane County. This location serves 25,564 Saint Charles residents with a median income of $126,204. It's estimated that approximately 40,803 packages pass through this post office each year.

Saint Charles Post Office Location

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