Grayslake Post Office Hours

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Retail Hours

Monday-Friday 8:00am - 6:00pm
Saturday 9:00am - 2:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 10:30am - 1:00pm
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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Deborah J Mound (Postmaster)
75 Commerce Dr
Grayslake, IL 60030

The Grayslake Post Office is located in the state of Illinois within Lake County. This location serves 36,056 Grayslake residents with a median income of $84,688. It's estimated that approximately 57,549 packages pass through this post office each year.

Grayslake Post Office Location

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