ZIP CodesZIP codes in Sierra County, New Mexico
Sierra County, New Mexico has 10 ZIP codes in this list, from 87654 to 88042. They cover 10 places, among them Spaceport City, Truth Or Consequences, Arrey and Caballo.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 87654 | Spaceport City | no area | 32.990, -106.970 |
| 87901 | Truth Or Consequences | 1,080 | 33.161, -107.267 |
| 87930 | Arrey | 35.5 | 32.849, -107.319 |
| 87931 | Caballo | 167 | 32.964, -107.410 |
| 87933 | Derry | 1.1 | 32.788, -107.282 |
| 87935 | Elephant Butte | 38.4 | 33.209, -107.221 |
| 87939 | Monticello | 233 | 33.397, -107.451 |
| 87942 | Williamsburg | 144 | 33.117, -107.291 |
| 87943 | Winston | 1,495 | 33.306, -107.668 |
| 88042 | Hillsboro | 661 | 32.924, -107.628 |
The ZIP code areas of Sierra County add up to about 3,855 square miles of land (9,984 sq km) as the Census Bureau draws them. The largest is 87943 (Winston), with 1,495 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Spaceport City, NM 87654.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.