Frewsburg, New York is a small hamlet located in the Town of Carroll in Chautauqua County, New York, United States. The population was 1,965 at the 2000 census. The postal code is 14738 and the telephone exchange (which extends past Carroll and well into South Valley and Kennedy is 569 . Frewsburg is located on U.S. Route 62, which forms the main street in the village. While not an incorporated village, Frewsburg does have a population that is larger than many villages in the region and is a significant community in the area, dwarfed only by the City of Jamestown several miles to the northwest, to which Frewsburg could legitimately be described as a retrofitted suburb.