MASCOUTAH POST OFFICE 62258

Mascoutah Post Office Hours


Retail Hours

Contact Numbers:

Phone: 618-566-2618
Monday-Friday 8:30am - 5:00pm
Saturday 8:30am - 11:00am
Sunday Closed

Bulk Mail Acceptance Hours

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

Monday-Friday 8:30am - 5:00pm
Saturday 8:30am - 11:00am
Sunday Closed

Lobby Hours

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

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

PO Box Delivery Time

USPS Shipping Rate Calculator

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Patrick G Mcmahan (Postmaster) patrick.g.mcmahan@usps.gov
18 W Main St
Mascoutah, IL 62258

The Mascoutah Post Office is located in the state of Illinois within St Clair County. This location serves 9,199 Mascoutah residents with a median income of $66,746. It's estimated that approximately 14,683 packages pass through this post office each year.

Mascoutah Post Office Location


Mascoutah Illinois Local Links