Dennis, MA ZIP code
The ZIP code for Dennis, Massachusetts is 02638. It is in Barnstable County.
- Population in these ZIPs
- 3,253
- Avg. median income
- $108,700population-weighted
- Typical home value
- $944,600population-weighted
- Metro area
- Barnstable Town, MA
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Dennis, MA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 02638 | 3,253 | $108,726 | $944,600 |
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 Dennis
- Yarmouth Port 3 mi
- South Dennis 3 mi
- East Dennis 3 mi
- South Yarmouth 4 mi
- Cummaquid 4 mi
- West Dennis 5 mi
- Dennis Port 5 mi
- West Yarmouth 6 mi
- West Harwich 6 mi
- Barnstable 6 mi
- Hyannis 7 mi
- Brewster 7 mi
Frequently asked questions
What is the ZIP code for Dennis, MA?
The ZIP code for Dennis, MA is 02638.
What county is Dennis, Massachusetts in?
Dennis ZIP codes are in Barnstable County.