Waldo, AR zip code
Waldo, Arkansas uses one zip code: 71770. Most of it is in Columbia County. Together these zip codes are home to about 3.3K people.
Zip codes
1
Population
3.3K
All zips combined
Largest zip
71770
3,307 residents
Zip codes in Waldo
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 71770 | 3,307 | $44,569 |