Post offices serve all communities within a county, from city branch locations to rural contract postal units that serve smaller towns and unincorporated areas with essential mail services. There are 30 Post Office locations in Lake County, Illinois.
Residents of Lake County should be aware that rural post offices and contract postal units may have limited hours compared to full-service branches. USPS provides a free package pickup service for all residents, including those in rural areas, which can eliminate the need to travel to a post office for outgoing packages.
List of Lake County, Illinois Post Office
Barrington Post Office
Buffalo Grove Post Office
Antioch Post Office
Deerfield Post Office
Great Lakes Post Office
Grayslake Post Office
Gurnee Post Office
Downtown Barrington Post Office
Fox Lake Post Office
Highland Park Post Office
Ingleside Post Office
Island Lake Post Office
Lake Villa Post Office
Lake Bluff Post Office
Mundelein Post Office
Highwood Post Office
Lake Forest Post Office
Libertyville Post Office
Lake Zurich Post Office
Lincolnshire Post Office
North Chicago Post Office
Round Lake Post Office
Russell Post Office
Vernon Hills Post Office
Wauconda Post Office
Winthrop Harbor Post Office
Wadsworth Post Office
Waukegan Edison Square Post Office
Waukegan Post Office
Zion Post Office
Residents of Lake County can use the USPS online location finder to identify the nearest post office, rural branch, or contract postal unit and check their individual hours. Enrolling in USPS Informed Delivery is free and lets all county residents preview incoming mail and packages via email or the USPS app each morning before delivery.
You may also find Post Office locations in neighboring counties including Lake, Cook, McHenry.