ZIP Code 03812 — Bartlett, NH
03812 is a standard (street delivery) ZIP code serving Bartlett, New Hampshire, in Carroll 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 03812 at a glance
| ZIP code | 03812 |
|---|---|
| Primary city | Bartlett |
| State | New Hampshire (NH) |
| County | Carroll FIPS 33003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,116 |
| Coordinates | 44.081480, -71.296430 |
How ZIP+4 works in 03812
The four digits after the hyphen encode a delivery segment inside 03812. 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 03812 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 03812.
| ZIP | City | Distance |
|---|---|---|
| 03838 | Glen, NH | 3.5 mi |
| 03818 | Conway, NH | 7.8 mi |
| 03845 | Intervale, NH | 8.5 mi |
| 03847 | Kearsarge, NH | 8.7 mi |
| 03846 | Jackson, NH | 8.9 mi |
| 03860 | North Conway, NH | 8.9 mi |
| 03215 | Waterville Valley, NH | 9.7 mi |
| 03897 | Wonalancet, NH | 12 mi |
| 03813 | Center Conway, NH | 12.5 mi |
| 03875 | Silver Lake, NH | 13.7 mi |
| 03817 | Chocorua, NH | 13.7 mi |
| 03886 | Tamworth, NH | 15 mi |
Questions about 03812
What is the ZIP+4 code for 03812?
03812 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 03812, you need to look up a specific street address to get them.
What city is 03812?
03812 is assigned to Bartlett, New Hampshire, in Carroll 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.