ZIP Code 79091 — Umbarger, TX
79091 is a standard (street delivery) ZIP code serving Umbarger, Texas, in Randall 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 79091 at a glance
| ZIP code | 79091 |
|---|---|
| Primary city | Umbarger |
| State | Texas (TX) |
| County | Randall FIPS 48381 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Coordinates | 34.870530, -102.114310 |
How ZIP+4 works in 79091
The four digits after the hyphen encode a delivery segment inside 79091. 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 79091 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 79091.
| ZIP | City | Distance |
|---|---|---|
| 79025 | Dawn, TX | 7.3 mi |
| 79015 | Canyon, TX | 13.4 mi |
| 79016 | Canyon, TX | 13.7 mi |
| 79042 | Happy, TX | 15 mi |
| 79012 | Bushland, TX | 17 mi |
| 79119 | Amarillo, TX | 17.3 mi |
| 79098 | Wildorado, TX | 20.6 mi |
| 79045 | Hereford, TX | 22.6 mi |
| 79121 | Amarillo, TX | 23.4 mi |
| 79110 | Amarillo, TX | 23.7 mi |
| 79085 | Summerfield, TX | 24.1 mi |
| 79109 | Amarillo, TX | 24.2 mi |
Questions about 79091
What is the ZIP+4 code for 79091?
79091 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 79091, you need to look up a specific street address to get them.
What city is 79091?
79091 is assigned to Umbarger, Texas, in Randall 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.