Frewsburg, New York is a hamlet located in the Town of Carroll in Chautauqua County, New York, USA. The population was 1,965 at the 2000 census. The postal code is 14738 and the telephone exchange is 569. Frewsburg apartments for rent comparison page shows most up to date rent information on Frewsburg apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.