ZIP Code 38343 — Humboldt, TN
38343 is a standard (street delivery) ZIP code serving Humboldt, Tennessee, in Gibson 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 38343 at a glance
| ZIP code | 38343 |
|---|---|
| Primary city | Humboldt |
| State | Tennessee (TN) |
| County | Gibson FIPS 47053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 15,837 |
| Coordinates | 35.827270, -88.928190 |
How ZIP+4 works in 38343
The four digits after the hyphen encode a delivery segment inside 38343. 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 38343 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 38343.
| ZIP | City | Distance |
|---|---|---|
| 38338 | Gibson, TN | 5.5 mi |
| 38337 | Gadsden, TN | 5.5 mi |
| 38355 | Medina, TN | 9.3 mi |
| 38382 | Trenton, TN | 10.4 mi |
| 38362 | Oakfield, TN | 10.6 mi |
| 38358 | Milan, TN | 11.3 mi |
| 38305 | Jackson, TN | 12.5 mi |
| 38001 | Alamo, TN | 12.7 mi |
| 38006 | Bells, TN | 13.2 mi |
| 38021 | Crockett Mills, TN | 14.6 mi |
| 38348 | Lavinia, TN | 15.7 mi |
| 38050 | Maury City, TN | 16.7 mi |
Questions about 38343
What is the ZIP+4 code for 38343?
38343 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 38343, you need to look up a specific street address to get them.
What city is 38343?
38343 is assigned to Humboldt, Tennessee, in Gibson 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.