ZIP Code 37853 — Rockford, TN
37853 is a standard (street delivery) ZIP code serving Rockford, Tennessee, in Blount 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 37853 at a glance
| ZIP code | 37853 |
|---|---|
| Primary city | Rockford |
| State | Tennessee (TN) |
| County | Blount FIPS 47009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,365 |
| Coordinates | 35.837230, -83.908540 |
How ZIP+4 works in 37853
The four digits after the hyphen encode a delivery segment inside 37853. 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 37853 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 37853.
| ZIP | City | Distance |
|---|---|---|
| 37804 | Maryville, TN | 3.2 mi |
| 37701 | Alcoa, TN | 5.2 mi |
| 37920 | Knoxville, TN | 5.8 mi |
| 37919 | Knoxville, TN | 7.4 mi |
| 37777 | Louisville, TN | 8 mi |
| 37916 | Knoxville, TN | 8.1 mi |
| 37902 | Knoxville, TN | 8.6 mi |
| 37929 | Knoxville, TN | 8.6 mi |
| 37886 | Walland, TN | 8.7 mi |
| 37915 | Knoxville, TN | 9.2 mi |
| 37865 | Seymour, TN | 9.5 mi |
| 37909 | Knoxville, TN | 9.9 mi |
Questions about 37853
What is the ZIP+4 code for 37853?
37853 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 37853, you need to look up a specific street address to get them.
What city is 37853?
37853 is assigned to Rockford, Tennessee, in Blount 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.