ZIP Code 03908 — South Berwick, ME
03908 is a standard (street delivery) ZIP code serving South Berwick, Maine, in York 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 03908 at a glance
| ZIP code | 03908 |
|---|---|
| Primary city | South Berwick |
| State | Maine (ME) |
| County | York FIPS 23031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 7,431 |
| Coordinates | 43.238380, -70.747950 |
How ZIP+4 works in 03908
The four digits after the hyphen encode a delivery segment inside 03908. 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 03908 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 03908.
| ZIP | City | Distance |
|---|---|---|
| 03869 | Rollinsford, NH | 4.8 mi |
| 03902 | Cape Neddick, ME | 5.6 mi |
| 03909 | York, ME | 5.9 mi |
| 03901 | Berwick, ME | 6.5 mi |
| 03903 | Eliot, ME | 6.5 mi |
| 03878 | Somersworth, NH | 7 mi |
| 03907 | Ogunquit, ME | 7 mi |
| 03906 | North Berwick, ME | 7.5 mi |
| 03820 | Dover, NH | 7.6 mi |
| 03910 | York Beach, ME | 8.3 mi |
| 04090 | Wells, ME | 8.4 mi |
| 03904 | Kittery, ME | 8.9 mi |
Questions about 03908
What is the ZIP+4 code for 03908?
03908 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 03908, you need to look up a specific street address to get them.
What city is 03908?
03908 is assigned to South Berwick, Maine, in York 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.