ZIP CodesZIP codes in Porter County, Indiana
Porter County, Indiana has 10 ZIP codes in this list, from 46301 to 46393. They cover 8 places, among them Valparaiso, Beverly Shores, Boone Grove and Chesterton.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 46301 | Beverly Shores | 4.4 | 41.693, -86.978 |
| 46302 | Boone Grove | 1.8 | 41.354, -87.130 |
| 46304 | Chesterton | 57.8 | 41.614, -87.047 |
| 46341 | Hebron | 95.5 | 41.316, -87.209 |
| 46347 | Kouts | 72.0 | 41.309, -87.024 |
| 46368 | Portage | 25.4 | 41.567, -87.176 |
| 46383 | Valparaiso | 87.5 | 41.455, -87.066 |
| 46384 | Valparaiso | no area | 41.490, -87.076 |
| 46385 | Valparaiso | 80.7 | 41.471, -87.078 |
| 46393 | Wheeler | 1.7 | 41.512, -87.179 |
The ZIP code areas of Porter County add up to about 427 square miles of land (1,105 sq km) as the Census Bureau draws them. The largest is 46341 (Hebron), with 95.5 square miles.
Places with more than one code here: Valparaiso (3 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Beverly Shores, IN 46301.
- 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.