ZIP Code 37012 — Alexandria, TN
37012 is a standard (street delivery) ZIP code serving Alexandria, Tennessee, in DeKalb 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 37012 at a glance
| ZIP code | 37012 |
|---|---|
| Primary city | Alexandria |
| State | Tennessee (TN) |
| County | DeKalb FIPS 47041 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,118 |
| Coordinates | 36.071120, -86.005630 |
How ZIP+4 works in 37012
The four digits after the hyphen encode a delivery segment inside 37012. 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 37012 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 37012.
| ZIP | City | Distance |
|---|---|---|
| 38547 | Brush Creek, TN | 5.4 mi |
| 37095 | Liberty, TN | 6.6 mi |
| 38567 | Hickman, TN | 6.7 mi |
| 37184 | Watertown, TN | 7.9 mi |
| 37059 | Dowelltown, TN | 8 mi |
| 38569 | Lancaster, TN | 8.7 mi |
| 38563 | Gordonsville, TN | 8.7 mi |
| 37016 | Auburntown, TN | 9.6 mi |
| 38560 | Elmwood, TN | 13.5 mi |
| 38548 | Buffalo Valley, TN | 13.8 mi |
| 38582 | Silver Point, TN | 14.1 mi |
| 37118 | Milton, TN | 14.3 mi |
Questions about 37012
What is the ZIP+4 code for 37012?
37012 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 37012, you need to look up a specific street address to get them.
What city is 37012?
37012 is assigned to Alexandria, Tennessee, in DeKalb 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.