ZIP Code 76372 — Newcastle, TX
76372 is a standard (street delivery) ZIP code serving Newcastle, Texas, in Throckmorton 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 76372 at a glance
| ZIP code | 76372 |
|---|---|
| Primary city | Newcastle |
| State | Texas (TX) |
| County | Throckmorton FIPS 48447 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,053 |
| Coordinates | 33.251730, -98.936430 |
How ZIP+4 works in 76372
The four digits after the hyphen encode a delivery segment inside 76372. 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 76372 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 76372.
| ZIP | City | Distance |
|---|---|---|
| 76374 | Olney, TX | 11.9 mi |
| 76370 | Megargel, TX | 14.3 mi |
| 76491 | Woodson, TX | 14.6 mi |
| 76483 | Throckmorton, TX | 19.1 mi |
| 76450 | Graham, TX | 21.6 mi |
| 76481 | South Bend, TX | 21.9 mi |
| 76351 | Archer City, TX | 24.7 mi |
| 76460 | Loving, TX | 25.6 mi |
| 76380 | Seymour, TX | 29.4 mi |
| 76424 | Breckenridge, TX | 31 mi |
| 76389 | Windthorst, TX | 31.5 mi |
| 76459 | Jermyn, TX | 31.6 mi |
Questions about 76372
What is the ZIP+4 code for 76372?
76372 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 76372, you need to look up a specific street address to get them.
What city is 76372?
76372 is assigned to Newcastle, Texas, in Throckmorton 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.