Post Offices

Post Offices in & near Harris Corners, Illinois. Operating hours, locations, phone/fax number, services information.

Grayslak Post Office

Post Office in Grayslake, Illinois on Commerce Dr. Operating hours, phone number, services information, and other locations.

Address: 75 Commerce Dr, Grayslake, IL 60030
Phone: 847-223-2787
Fax: 847-223-0571
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

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

Lobby Hours

Monday 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 4:30pm
Sunday Closed

Last Collection Times

Monday 10:00am - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Gurn Post Office

Address: 1 N Oplaine Rd, Gurnee, IL 60031
Phone: 847-662-6943
Fax: 847-596-2095
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Mundelein Post Office

Address: 435 E Hawley St, Mundelein, IL 60060
Phone: 847-566-3907
Fax: 847-566-4820
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Round Lak Post Office

Address: 1940 N Municipal Way, Round Lake, IL 60073
Phone: 847-740-6528
Fax: 847-740-6534
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Lake Forest Carrier Annex Post Office

Address: 27848 N Bradley Rd, Lake Forest, IL 60045
Phone: 847-680-5464
Fax: 847-680-4984
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Libertyvill Post Office

Address: 1520 Artaius Pkwy, Libertyville, IL 60048
Phone: 847-362-2266
Fax: 847-362-7459
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457