Port Jefferson Post Office USGS Port Jefferson Quad, New York, Topographic Map

Port Jefferson Post Office is a Post Office in the state of New York (county of Suffolk), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 40.945 and W -73.0675. Port Jefferson Post Office is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Port Jefferson quad. The nearest major town is Belle Terre, NY.