ZIP Code 03561 — Littleton, NH
03561 is a standard (street delivery) ZIP code serving Littleton, New Hampshire, in Grafton 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 03561 at a glance
| ZIP code | 03561 |
|---|---|
| Primary city | Littleton |
| State | New Hampshire (NH) |
| County | Grafton FIPS 33009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 6,040 |
| Coordinates | 44.332220, -71.809730 |
How ZIP+4 works in 03561
The four digits after the hyphen encode a delivery segment inside 03561. 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 03561 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 03561.
| ZIP | City | Distance |
|---|---|---|
| 05824 | Concord, VT | 7.7 mi |
| 05904 | Gilman, VT | 7.7 mi |
| 03586 | Sugar Hill, NH | 7.7 mi |
| 03585 | Lisbon, NH | 8.5 mi |
| 03598 | Whitefield, NH | 9.4 mi |
| 05819 | Saint Johnsbury, VT | 10.1 mi |
| 03771 | Monroe, NH | 10.4 mi |
| 05906 | Lunenburg, VT | 10.9 mi |
| 03574 | Bethlehem, NH | 11.7 mi |
| 03580 | Franconia, NH | 12.3 mi |
| 05050 | Mcindoe Falls, VT | 13.4 mi |
| 03740 | Bath, NH | 13.6 mi |
Questions about 03561
What is the ZIP+4 code for 03561?
03561 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 03561, you need to look up a specific street address to get them.
What city is 03561?
03561 is assigned to Littleton, New Hampshire, in Grafton 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.