ZIP Code 03255 — Newbury, NH
03255 is a standard (street delivery) ZIP code serving Newbury, New Hampshire, in Merrimack County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 03255 at a glance
| ZIP code | 03255 |
|---|---|
| Primary city | Newbury |
| State | New Hampshire (NH) |
| County | Merrimack FIPS 33013 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,015 |
| Coordinates | 43.314900, -72.027950 |
How ZIP+4 works in 03255
The four digits after the hyphen encode a delivery segment inside 03255. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 03255 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 03255.
| ZIP | City | Distance |
|---|---|---|
| 03752 | Goshen, NH | 4.7 mi |
| 03221 | Bradford, NH | 5.3 mi |
| 03273 | South Sutton, NH | 5.3 mi |
| 03260 | North Sutton, NH | 6.1 mi |
| 03782 | Sunapee, NH | 6.1 mi |
| 03257 | New London, NH | 7.3 mi |
| 03233 | Elkins, NH | 8.9 mi |
| 03751 | Georges Mills, NH | 9.3 mi |
| 03280 | Washington, NH | 9.6 mi |
| 03605 | Lempster, NH | 9.7 mi |
| 03773 | Newport, NH | 9.8 mi |
| 03278 | Warner, NH | 10.1 mi |
Questions about 03255
What is the ZIP+4 code for 03255?
03255 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 03255, you need to look up a specific street address to get them.
What city is 03255?
03255 is assigned to Newbury, New Hampshire, in Merrimack County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.