Hamlet and CDP in New York, United States
Portlandville is a hamlet (and census-designated place)[2] in Otsego County, New York, United States. The community is located along the Susquehanna River and New York State Route 28, 7.3 miles (11.7 km) northeast of Oneonta. Portlandville has a post office with ZIP code 13834, which opened on April 9, 1828.[3][4]
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