ZIP Code 37027 — Brentwood, TN
37027 is a standard (street delivery) ZIP code serving Brentwood, Tennessee, in Williamson 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 37027 at a glance
| ZIP code | 37027 |
|---|---|
| Primary city | Brentwood |
| State | Tennessee (TN) |
| County | Williamson FIPS 47187 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 61,630 |
| Coordinates | 35.999780, -86.784390 |
How ZIP+4 works in 37027
The four digits after the hyphen encode a delivery segment inside 37027. 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 37027 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 37027.
| ZIP | City | Distance |
|---|---|---|
| 37220 | Nashville, TN | 4.7 mi |
| 37211 | Nashville, TN | 5.8 mi |
| 37067 | Franklin, TN | 6 mi |
| 37215 | Nashville, TN | 6.3 mi |
| 37069 | Franklin, TN | 6.9 mi |
| 37204 | Nashville, TN | 7.4 mi |
| 37135 | Nolensville, TN | 8.1 mi |
| 37013 | Antioch, TN | 9 mi |
| 37205 | Nashville, TN | 9.1 mi |
| 37212 | Nashville, TN | 9.3 mi |
| 37232 | Nashville, TN | 9.8 mi |
| 37217 | Nashville, TN | 10.1 mi |
Questions about 37027
What is the ZIP+4 code for 37027?
37027 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 37027, you need to look up a specific street address to get them.
What city is 37027?
37027 is assigned to Brentwood, Tennessee, in Williamson 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.