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Fairfield, CT ZIP codes

Fairfield, Connecticut has 3 ZIP codes, including 1 PO Box ZIP. They are in Fairfield County and Greater Bridgeport Planning Region.

Population in these ZIPs
58,698
Avg. median income
$171,700population-weighted
Typical home value
$1,006,800population-weighted
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Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Fairfield, CT ZIP codes list

Fairfield, CT ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
06824Fairfield County36,716$193,300$1,160,900
06825Fairfield County21,982$135,504$749,500
06828 PO BoxGreater Bridgeport Planning Region———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Fairfield

Frequently asked questions

What is the ZIP code for Fairfield, CT?

Fairfield, CT has 3 ZIP codes: 06824, 06825 and 06828.

What county is Fairfield, Connecticut in?

Fairfield ZIP codes are in Fairfield County and Greater Bridgeport Planning Region.

Which Fairfield ZIP codes are PO Boxes?

06828 is a PO Box or single-organization ZIP code; it has no residential delivery area.