ZIP Code 63346 is located in Flinthill Missouri. 63346 is entirely within Saint Charles County. Regionally, 63346 is located in Metro St. Louis.
| ZIP Code Name | Flinthill |
| Primary County | Saint Charles County |
| ZIP Code Type | PO Box |
| Current Time | CST |
| Coordinates | 38.81153107,-90.85259247 |
| Adjacent ZIP Codes | |
| Region | Metro St. Louis |
| Metropolitan/Micropolitan Stat Area | St. Louis, MO-IL |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| School Districts in 63346 | |
| Elementary Schools in 63346 | |
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| High Schools in 63346 |