ZIP Codes in Harwich Port, MA
Harwich Port uses 1 ZIP code, all in Barnstable County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Harwich Port ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 02646 | standard | Barnstable | 1,846 |
Finding a ZIP+4 in Harwich Port
Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Harwich Port street almost always have different ZIP+4 codes even though they share all five leading digits.
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