ZIP Code 03581 — Gorham, NH
03581 is a standard (street delivery) ZIP code serving Gorham, New Hampshire, in Coos 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 03581 at a glance
| ZIP code | 03581 |
|---|---|
| Primary city | Gorham |
| State | New Hampshire (NH) |
| County | Coos FIPS 33007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,246 |
| Coordinates | 44.342270, -71.134130 |
How ZIP+4 works in 03581
The four digits after the hyphen encode a delivery segment inside 03581. 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 03581 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 03581.
| ZIP | City | Distance |
|---|---|---|
| 03593 | Randolph, NH | 9.6 mi |
| 03846 | Jackson, NH | 11.2 mi |
| 03570 | Berlin, NH | 11.4 mi |
| 04231 | Stoneham, ME | 13.3 mi |
| 04286 | West Bethel, ME | 14.2 mi |
| 03575 | Bretton Woods, NH | 14.4 mi |
| 04217 | Bethel, ME | 14.9 mi |
| 04051 | Lovell, ME | 16.2 mi |
| 03583 | Jefferson, NH | 16.5 mi |
| 03845 | Intervale, NH | 16.5 mi |
| 03838 | Glen, NH | 16.7 mi |
| 03813 | Center Conway, NH | 17.7 mi |
Questions about 03581
What is the ZIP+4 code for 03581?
03581 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 03581, you need to look up a specific street address to get them.
What city is 03581?
03581 is assigned to Gorham, New Hampshire, in Coos 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.