ZIP Code 38021 — Crockett Mills, TN
38021 is a standard (street delivery) ZIP code serving Crockett Mills, Tennessee, in Crockett 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 38021 at a glance
| ZIP code | 38021 |
|---|---|
| Primary city | Crockett Mills |
| State | Tennessee (TN) |
| County | Crockett FIPS 47033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Coordinates | 35.870420, -89.184110 |
How ZIP+4 works in 38021
The four digits after the hyphen encode a delivery segment inside 38021. 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 38021 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 38021.
| ZIP | City | Distance |
|---|---|---|
| 38034 | Friendship, TN | 4.1 mi |
| 38001 | Alamo, TN | 4.3 mi |
| 38050 | Maury City, TN | 4.4 mi |
| 38070 | Tigrett, TN | 6 mi |
| 38337 | Gadsden, TN | 11.3 mi |
| 38382 | Trenton, TN | 12.7 mi |
| 38037 | Gates, TN | 12.8 mi |
| 38006 | Bells, TN | 13 mi |
| 38343 | Humboldt, TN | 14.6 mi |
| 38330 | Dyer, TN | 16 mi |
| 38024 | Dyersburg, TN | 16.1 mi |
| 38389 | Yorkville, TN | 16.4 mi |
Questions about 38021
What is the ZIP+4 code for 38021?
38021 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 38021, you need to look up a specific street address to get them.
What city is 38021?
38021 is assigned to Crockett Mills, Tennessee, in Crockett 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.