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 7 Post Office locations in Carroll County, Illinois.

Residents of Carroll 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 Carroll County, Illinois Post Office

Chadwick Post Office

View Details Call Now (815) 684-5170

Chadwick Post Office

Address
Get Direction
Hours

Milledgeville Post Office

View Details Call Now (815) 225-7216

Milledgeville Post Office

Address
Get Direction
Hours

Savanna Post Office

View Details Call Now (815) 273-3621

Savanna Post Office

Address
Get Direction
Hours

Lanark Post Office

View Details Call Now (815) 493-2550

Lanark Post Office

Address
Get Direction
Hours

Shannon Post Office

View Details Call Now (815) 864-2747

Shannon Post Office

Address
Get Direction
Hours

Thomson Post Office

View Details Call Now (815) 259-3121

Thomson Post Office

Address
Get Direction
Hours

Mount Carroll Post Office

View Details Call Now (815) 244-3711

Mount Carroll Post Office

Address
Get Direction
Hours

Residents of Carroll 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 Ogle, Stephenson, Carroll.