Flinthill ZIP code, Missouri
The ZIP code for Flinthill, MO is 63346, and its area code is 636.
- USPS city name
- 1 ZIP code
- Area code
- 636
- County
- St. Charles County
- State
- Missouri
NANPA lists no telephone rate centre for Flinthill itself, so these are the area codes of the nearest one, Saint Charles (0.9 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Flinthill
Towns near Flinthill
| Town | Population | Distance |
|---|---|---|
| St. Charles | 71,508 | 3.3 mi |
| Maryland Heights | 27,880 | 4.2 mi |
| St. Peters | 59,092 | 4.3 mi |
| Cottleville | 5,937 | 6.5 mi |
| Bridgeton | 11,369 | 6.6 mi |
| Chesterfield | 49,574 | 6.7 mi |
| Weldon Spring | 5,310 | 6.9 mi |
| Creve Coeur | 18,643 | 8.0 mi |
| Hazelwood | 25,114 | 8.2 mi |
| St. Ann | 12,811 | 8.2 mi |
| Town and Country | 11,607 | 8.9 mi |
| Clarkson Valley | 2,584 | 9.2 mi |
| Breckenridge Hills | 4,402 | 9.4 mi |
| Dardenne Prairie | 13,503 | 9.6 mi |
More nearby: every ZIP code in St. Charles County · Missouri ZIP codes
Cite this page
zipcodes.pro. “Flinthill, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/flinthill
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