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 19 Post Office locations in Jefferson County, Missouri.
Residents of Jefferson 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 Jefferson County, Missouri Post Office
Arnold Post Office
De Soto Post Office
Festus Post Office
Barnhart Post Office
Cedar Hill Post Office
Crystal City Post Office
Herculaneum Post Office
Dittmer Post Office
Hematite Post Office
Grubville Post Office
High Ridge Postal Store Post Office
Hillsboro Post Office
Mapaville Post Office
House Springs Post Office
Liguori Post Office
Imperial Post Office
Steedman Post Office
Pevely Post Office
Morse Mill Post Office
Post Office in near by County
Residents of Jefferson 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 Jefferson, St. Louis, Franklin.