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Wyandanch

1. Wyandanch, New York, United States [CDP]; population was 8,950 in 1990; housing units was 2,362 in 1990; location is 40°45'N 73°23'W; land area is 4.42 square miles (2,830 acres); water area is 0.00 square miles (2 acres); FIPS code is 83294 [SourceCBP]
2. Wyandanch, New York, United States [Populated Place] is in Suffolk County; location is 40°45'14"N 73°21'39"W; elevation is 56 feet [SourceGSP]
3. Wyandanch, New York, United States Postal Service Zip Code is 11798 (Wheatley Heights) [SourcePSZ]