ZIP Code 88436 — Sedan, NM
88436 is a standard (street delivery) ZIP code serving Sedan, 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 88436 at a glance
| ZIP code | 88436 |
|---|---|
| Primary city | Sedan |
| State | New Mexico (NM) |
| County | Union FIPS 35059 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 25 |
| Coordinates | 36.149650, -103.133450 |
How ZIP+4 works in 88436
The four digits after the hyphen encode a delivery segment inside 88436. 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 88436 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 88436.
| ZIP | City | Distance |
|---|---|---|
| 79087 | Texline, TX | 16.5 mi |
| 88415 | Clayton, NM | 17.6 mi |
| 88410 | Amistad, NM | 19.6 mi |
| 79022 | Dalhart, TX | 29.1 mi |
| 88430 | Nara Visa, NM | 34.5 mi |
| 73937 | Felt, OK | 35.1 mi |
| 88424 | Grenville, NM | 35.2 mi |
Questions about 88436
What is the ZIP+4 code for 88436?
88436 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 88436, you need to look up a specific street address to get them.
What city is 88436?
88436 is assigned to Sedan, 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.