ZIP Code 03053 — Londonderry, NH
03053 is a standard (street delivery) ZIP code serving Londonderry, New Hampshire, in Rockingham 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 03053 at a glance
| ZIP code | 03053 |
|---|---|
| Primary city | Londonderry |
| State | New Hampshire (NH) |
| County | Rockingham FIPS 33015 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 26,327 |
| Coordinates | 42.879270, -71.387020 |
How ZIP+4 works in 03053
The four digits after the hyphen encode a delivery segment inside 03053. 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 03053 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 03053.
| ZIP | City | Distance |
|---|---|---|
| 03052 | Litchfield, NH | 4.3 mi |
| 03038 | Derry, NH | 5.5 mi |
| 03103 | Manchester, NH | 6 mi |
| 03109 | Manchester, NH | 6 mi |
| 03087 | Windham, NH | 6.6 mi |
| 03054 | Merrimack, NH | 6.9 mi |
| 03032 | Auburn, NH | 8 mi |
| 03051 | Hudson, NH | 8 mi |
| 03064 | Nashua, NH | 8.2 mi |
| 03110 | Bedford, NH | 8.4 mi |
| 03101 | Manchester, NH | 8.5 mi |
| 03036 | Chester, NH | 9.2 mi |
Questions about 03053
What is the ZIP+4 code for 03053?
03053 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 03053, you need to look up a specific street address to get them.
What city is 03053?
03053 is assigned to Londonderry, New Hampshire, in Rockingham 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.