ZIP Code 75550 — Annona, TX
75550 is a standard (street delivery) ZIP code serving Annona, Texas, in Red River 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 75550 at a glance
| ZIP code | 75550 |
|---|---|
| Primary city | Annona |
| State | Texas (TX) |
| County | Red River FIPS 48387 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 561 |
| Coordinates | 33.499660, -94.884540 |
How ZIP+4 works in 75550
The four digits after the hyphen encode a delivery segment inside 75550. 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 75550 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 75550.
| ZIP | City | Distance |
|---|---|---|
| 75554 | Avery, TX | 8.2 mi |
| 75426 | Clarksville, TX | 13 mi |
| 75559 | De Kalb, TX | 14.1 mi |
| 75417 | Bogata, TX | 14.8 mi |
| 75558 | Cookville, TX | 17.3 mi |
| 75487 | Talco, TX | 19.7 mi |
| 75455 | Mount Pleasant, TX | 20.2 mi |
| 75571 | Omaha, TX | 21.3 mi |
| 75574 | Simms, TX | 22.5 mi |
| 75435 | Deport, TX | 23.6 mi |
| 74745 | Idabel, OK | 25.2 mi |
| 75412 | Bagwell, TX | 25.7 mi |
Questions about 75550
What is the ZIP+4 code for 75550?
75550 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 75550, you need to look up a specific street address to get them.
What city is 75550?
75550 is assigned to Annona, Texas, in Red River 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.