Petroleum, IN zip code
Petroleum, Indiana uses one zip code: 46778. Most of it is in Wells County. Together these zip codes are home to about 34 people.
Zip codes
1
Population
34
All zips combined
Largest zip
46778
34 residents
Zip codes in Petroleum
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 46778 | 34 | — |