Ballwin, MO ZIP Codes
4 records
| ZIP | Type | County | Timezone | Area Codes |
|---|
| 63011 | STANDARD | St. Louis County | America/Chicago | 314, 557, 636 |
| 63021 | STANDARD | St. Louis County | America/Chicago | 314, 557, 636 |
| 63022 | PO BOX | St. Louis County | America/Chicago | 636 |
| 63024 | PO BOX | St. Louis County | America/Chicago | 636 |