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 14 Post Office locations in Dekalb County, Illinois.

Residents of Dekalb 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 Dekalb County, Illinois Post Office

Clare Post Office

Address
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Hours

Cortland Post Office

View Details Call Now (815) 756-2002

Cortland Post Office

Address
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Hours

Dekalb Post Office

View Details Call Now (815) 758-6677

Dekalb Post Office

Address
Get Direction
Hours

Esmond Post Office

View Details Call Now (815) 393-4980

Esmond Post Office

Address
Get Direction
Hours

Genoa Post Office

Address
Get Direction
Hours

Kingston Post Office

View Details Call Now (815) 784-5711

Kingston Post Office

Address
Get Direction
Hours

Hinckley Post Office

View Details Call Now (815) 286-3636

Hinckley Post Office

Address
Get Direction
Hours

Kirkland Post Office

View Details Call Now (815) 522-3328

Kirkland Post Office

Address
Get Direction
Hours

Malta Post Office

Address
Get Direction
Hours

Sandwich Post Office

View Details Call Now (815) 786-6716

Sandwich Post Office

Address
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Hours

Sycamore Post Office

View Details Call Now (815) 895-2888

Sycamore Post Office

Address
Get Direction
Hours

Somonauk Post Office

View Details Call Now (815) 498-2724

Somonauk Post Office

Address
Get Direction
Hours

Shabbona Post Office

View Details Call Now (815) 824-2224

Shabbona Post Office

Address
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Hours

Waterman Post Office

View Details Call Now (815) 264-3609

Waterman Post Office

Address
Get Direction
Hours

Residents of Dekalb 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 DeKalb, Kane, Lee.