ZIP Code 75087 — Rockwall, TX
75087 is a standard (street delivery) ZIP code serving Rockwall, Texas, in Rockwall 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 75087 at a glance
| ZIP code | 75087 |
|---|---|
| Primary city | Rockwall |
| State | Texas (TX) |
| County | Rockwall FIPS 48397 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 44,326 |
| Coordinates | 32.945810, -96.441360 |
How ZIP+4 works in 75087
The four digits after the hyphen encode a delivery segment inside 75087. 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 75087 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.
Other ZIP codes in Rockwall
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 75087.
| ZIP | City | Distance |
|---|---|---|
| 75132 | Fate, TX | 3.6 mi |
| 75166 | Lavon, TX | 4.9 mi |
| 75089 | Rowlett, TX | 6 mi |
| 75032 | Rockwall, TX | 6.1 mi |
| 75088 | Rowlett, TX | 6.7 mi |
| 75098 | Wylie, TX | 7.2 mi |
| 75189 | Royse City, TX | 7.6 mi |
| 75048 | Sachse, TX | 8.3 mi |
| 75173 | Nevada, TX | 8.5 mi |
| 75043 | Garland, TX | 10.1 mi |
| 75040 | Garland, TX | 10.4 mi |
| 75094 | Plano, TX | 11.2 mi |
Questions about 75087
What is the ZIP+4 code for 75087?
75087 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 75087, you need to look up a specific street address to get them.
What city is 75087?
75087 is assigned to Rockwall, Texas, in Rockwall 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.