ZIP Code 88415 — Clayton, NM
88415 is a standard (street delivery) ZIP code serving Clayton, New Mexico, in Union 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 88415 at a glance
| ZIP code | 88415 |
|---|---|
| Primary city | Clayton |
| State | New Mexico (NM) |
| County | Union FIPS 35059 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 3,178 |
| Coordinates | 36.351710, -103.326430 |
How ZIP+4 works in 88415
The four digits after the hyphen encode a delivery segment inside 88415. 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 88415 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 88415.
| ZIP | City | Distance |
|---|---|---|
| 88436 | Sedan, NM | 17.6 mi |
| 88424 | Grenville, NM | 19.2 mi |
| 79087 | Texline, TX | 21.7 mi |
| 88410 | Amistad, NM | 31 mi |
| 88418 | Des Moines, NM | 32.5 mi |
| 73937 | Felt, OK | 34.4 mi |
Questions about 88415
What is the ZIP+4 code for 88415?
88415 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 88415, you need to look up a specific street address to get them.
What city is 88415?
88415 is assigned to Clayton, New Mexico, in Union 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.