ZIP Codes in Epsom, NH
Epsom uses 1 ZIP code, all in Merrimack County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Epsom ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 03234 | standard | Merrimack | 4,939 |
Finding a ZIP+4 in Epsom
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 Epsom street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Epsom addresses and download it complete.