Harwich, MA ZIP code
The ZIP code for Harwich, Massachusetts is 02645. It is in Barnstable County.
- Population in these ZIPs
- 11,288
- Avg. median income
- $104,400population-weighted
- Typical home value
- $763,400population-weighted
- Metro area
- Barnstable Town, MA
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Harwich, MA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 02645 | 11,288 | $104,401 | $763,400 |
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 Harwich
- Harwich Port 2 mi
- South Chatham 2 mi
- Brewster 3 mi
- West Harwich 3 mi
- Chatham 4 mi
- Dennis Port 5 mi
- South Dennis 5 mi
- North Chatham 5 mi
- East Dennis 6 mi
- West Dennis 6 mi
- Orleans 7 mi
- South Yarmouth 7 mi
Frequently asked questions
What is the ZIP code for Harwich, MA?
The ZIP code for Harwich, MA is 02645.
What county is Harwich, Massachusetts in?
Harwich ZIP codes are in Barnstable County.