Barnum, IA zip code
Barnum, Iowa uses one zip code: 50518. Most of it is in Webster County. Together these zip codes are home to about 365 people.
Zip codes
1
Population
365
All zips combined
Largest zip
50518
365 residents
Zip codes in Barnum
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 50518 | 365 | $97,857 |