Old Lyme, CT ZIP code
The ZIP code for Old Lyme, Connecticut is 06371. It is in New London County.
- Population in these ZIPs
- 9,828
- Avg. median income
- $132,000population-weighted
- Typical home value
- $695,900population-weighted
- Metro area
- Norwich-New London-Willimantic, CT
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Old Lyme, CT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 06371 | 9,828 | $132,045 | $695,900 |
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 Old Lyme
- Essex 4 mi
- East Lyme 5 mi
- Old Saybrook 5 mi
- Hadlyme 5 mi
- Centerbrook 6 mi
- Ivoryton 6 mi
- South Lyme 6 mi
- Niantic 6 mi
- East Haddam 7 mi
- Deep River 8 mi
- Waterford 9 mi
- Westbrook 9 mi
Frequently asked questions
What is the ZIP code for Old Lyme, CT?
The ZIP code for Old Lyme, CT is 06371.
What county is Old Lyme, Connecticut in?
Old Lyme ZIP codes are in New London County.