Plainfield, CT ZIP code
The ZIP code for Plainfield, Connecticut is 06374. It is in Windham County.
- Population in these ZIPs
- 7,838
- Avg. median income
- $71,900population-weighted
- Typical home value
- $340,400population-weighted
- Metro area
- Worcester, MA
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Plainfield, CT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 06374 | 7,838 | $71,882 | $340,400 |
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 Plainfield
- Central Village 3 mi
- Moosup 4 mi
- Wauregan 4 mi
- Canterbury 5 mi
- Oneco 6 mi
- Sterling 6 mi
- Jewett City 6 mi
- Voluntown 8 mi
- Brooklyn 8 mi
- Hanover 8 mi
- Danielson 8 mi
- Baltic 9 mi
Frequently asked questions
What is the ZIP code for Plainfield, CT?
The ZIP code for Plainfield, CT is 06374.
What county is Plainfield, Connecticut in?
Plainfield ZIP codes are in Windham County.