New York Zip Codes >> Jefferson County Zip Codes Cities in Jefferson County, New York Adams Adams Center Adams Cove Alexandra Bay Alexandria Alexandria Bay Antwerp Belleville Black River Boultons Beach Brownville Calcium Cape Vincent Carthage Champion Chaumont Clayton Collins Landing Deferiet Depauville Dexter Diamond East Rodman Edgewood Park Ellisburg Evans Mills Felts Mills Fineview Fishers Landing Fort Drum Frontenac Glen Park Great Bend Grenell Grindstone Gt Bend Guffin Bay Henderson Henderson Harbor Herrings Hounsfield Jefferson Park Knowsville La Fargeville Lafargeville Le Ray Limerick Lorraine Mannsville Murray Isle Muskalounge Natural Bridge Omar Oxbow Paddy Hill Pamelia Pamelia Four Corners Perch River Philadelphia Pierrepont Manor Pillar Point Plessis Point Vivian Redwood Rodman Rural Hill Rutland Sackets Harbor Saint Lawrence Park Sherwin Bay Smithville Stone Mills Theresa Thousand Island Park Three Mile Bay Watertown Wegatchie Wellesley Island West Carthage Westminster Park Wilna Woodville Worth Wtown * Click on a city to locate zip code(s) for that city. School Districts in Jefferson District Name Central Office Grades Served Alexandria School District Alexandria Bay K-12 Belleville Henderson School District Belleville PK-12 Carthage School District Carthage K-12 General Brown School District Dexter PK-12, UE, US Indian River School District Philadelphia K-12 La Fargeville School District La Fargeville K-12 Lyme School District Chaumont K-12 Sackets Harbor School District Sackets Harbor K-12, UE, US South Jefferson School District Adams Center PK-12, US Thousand Islands School District Clayton K-12, US Watertown City School District Watertown PK-12, US   New York Zip Code Directory, New York © 2025 Contact Us