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 20 Post Office locations in Mercer County, New Jersey.
Residents of Mercer 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 Mercer County, New Jersey Post Office
Kendall Park Post Office
Circle Post Office
Trenton Post Office
West Trenton Post Office
Villa Park Station Post Office
Titusville Post Office
Windsor Post Office
Pennington Post Office
Crosswicks Post Office
Downtown Post Office
Franklin Park Post Office
Hopewell Post Office
Lawrenceville Post Office
Mercerville Post Office
Princeton Post Office
Hightstown Post Office
Independence Station Post Office
Princeton Junction Post Office
Palmer Square Post Office
Trenton Carriers Post Office
Residents of Mercer 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 Middlesex, Monmouth, Somerset.