ZIP Code 37683 — Mountain City, TN
37683 is a standard (street delivery) ZIP code serving Mountain City, Tennessee, in Johnson 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 37683 at a glance
| ZIP code | 37683 |
|---|---|
| Primary city | Mountain City |
| State | Tennessee (TN) |
| County | Johnson FIPS 47091 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 12,943 |
| Coordinates | 36.453030, -81.822330 |
How ZIP+4 works in 37683
The four digits after the hyphen encode a delivery segment inside 37683. 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 37683 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 37683.
| ZIP | City | Distance |
|---|---|---|
| 37691 | Trade, TN | 7 mi |
| 37688 | Shady Valley, TN | 7.2 mi |
| 28698 | Zionville, NC | 8.9 mi |
| 28615 | Creston, NC | 9.4 mi |
| 37680 | Laurel Bloomery, TN | 10 mi |
| 28692 | Vilas, NC | 12 mi |
| 37640 | Butler, TN | 12.1 mi |
| 28679 | Sugar Grove, NC | 13.4 mi |
| 24236 | Damascus, VA | 14 mi |
| 28684 | Todd, NC | 14 mi |
| 28693 | Warrensville, NC | 14.9 mi |
| 24211 | Abingdon, VA | 15.7 mi |
Questions about 37683
What is the ZIP+4 code for 37683?
37683 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 37683, you need to look up a specific street address to get them.
What city is 37683?
37683 is assigned to Mountain City, Tennessee, in Johnson 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.