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 8 Post Office locations in Cass County, Iowa.

Residents of Cass 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 Cass County, Iowa Post Office

Anita Post Office

Address
Get Direction
Hours

Cumberland Post Office

View Details Call Now (712) 774-5759

Cumberland Post Office

Address
Get Direction
Hours

Atlantic Post Office

View Details Call Now (712) 243-1208

Atlantic Post Office

Address
Get Direction
Hours

Griswold Post Office

View Details Call Now (712) 778-2384

Griswold Post Office

Address
Get Direction
Hours

Wiota Post Office

Address
Get Direction
Hours

Marne Post Office

Address
Get Direction
Hours

Lewis Post Office

Address
Get Direction
Hours

Massena Post Office

View Details Call Now (712) 779-3357

Massena Post Office

Address
Get Direction
Hours

Residents of Cass 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 Adair, Audubon, Cass.