ZIP CodesZIP codes in Twin Falls County, Idaho
Twin Falls County, Idaho has 9 ZIP codes in this list, from 83301 to 83344. They cover 8 places, among them Twin Falls, Rogerson, Buhl and Castleford.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 83301 | Twin Falls | 296 | 42.556, -114.469 |
| 83302 | Rogerson | 352 | 42.218, -114.594 |
| 83303 | Twin Falls | no area | 42.563, -114.461 |
| 83316 | Buhl | 293 | 42.601, -114.782 |
| 83321 | Castleford | 181 | 42.521, -114.873 |
| 83328 | Filer | 67.3 | 42.565, -114.614 |
| 83334 | Hansen | 88.6 | 42.525, -114.299 |
| 83341 | Kimberly | 85.2 | 42.529, -114.366 |
| 83344 | Murtaugh | 175 | 42.478, -114.161 |
The ZIP code areas of Twin Falls County add up to about 1,538 square miles of land (3,985 sq km) as the Census Bureau draws them. The largest is 83302 (Rogerson), with 352 square miles.
Places with more than one code here: Twin Falls (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Twin Falls, ID 83301.
- 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.