Fairfield County, CT Zip Codes
68 zip codes across 40 cities in Fairfield County, CT
About Fairfield County
Fairfield County, Connecticut (CT) contains 68 unique zip codes spanning 40 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Fairfield County.
Cities in Fairfield County
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All Zip Codes in Fairfield County, CT
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Frequently Asked Questions
How many zip codes are in Fairfield County, CT?
Fairfield County, CT has 68 zip codes across 40 cities.
What cities are in Fairfield County?
Cities in Fairfield County include Amanda, Baltimore, Bethel, Blair, Bremen, Bridgeport, Brookfield, Canal Winchester, Cos Cob, Danbury, Easton, Fairfield, Greenwich, Jenkinsville, Lancaster, Millersport, Monroe, New Fairfield, Newtown, Norwalk, Old Greenwich, Pickerington, Redding, Ridgeway, Rion, Shelton, Sherman, Southport, Stamford, Stratford, Sugar Grove, Thurston, Weston, Westport, Wilton, Winnsboro, Zcta 064hh, Zcta 066hh, Zcta 068hh, Zcta 069hh.
What state is Fairfield County in?
Fairfield County is located in Connecticut (CT).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.