Weldon Spring Heights ZIP codes, Missouri
No ZIP code is named for Weldon Spring Heights, MO; addresses there use a neighbouring town's name. The ZIP code covering it is 63304. Its area code is 636.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 121
- Area code
- 636
- County
- St. Charles County
- State
- Missouri
NANPA lists no telephone rate centre for Weldon Spring Heights itself, so these are the area codes of the nearest one, Saint Charles (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Weldon Spring Heights
These ZIP codes cover part of Weldon Spring Heights but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63304 | Saint Charles , MO | Standard | 43,195 | $114,442 | $351,000 |
Map of Weldon Spring Heights ZIP codes
The ZIP codes of Weldon Spring Heights, MO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Weldon Spring Heights
The nearest larger towns are Weldon Spring (5,310 people, 1.8 mi), Dardenne Prairie (13,503 people, 3.0 mi) and Cottleville (5,937 people, 3.6 mi).
| Town | Population | Distance |
|---|---|---|
| Weldon Spring | 5,310 | 1.8 mi |
| Dardenne Prairie | 13,503 | 3.0 mi |
| Cottleville | 5,937 | 3.6 mi |
| O'Fallon | 93,801 | 5.9 mi |
| Chesterfield | 49,574 | 6.7 mi |
| St. Peters | 59,092 | 7.0 mi |
| Clarkson Valley | 2,584 | 7.4 mi |
| Lake St. Louis | 18,066 | 7.5 mi |
| Wildwood | 35,133 | 8.8 mi |
| Ellisville | 10,002 | 9.5 mi |
| St. Paul | 3,456 | 10.4 mi |
| Ballwin | 31,279 | 10.5 mi |
| St. Charles | 71,508 | 11.1 mi |
| Maryland Heights | 27,880 | 11.5 mi |
More nearby: every ZIP code in St. Charles County · Missouri ZIP codes
Cite this page
zipcodes.pro. “Weldon Spring Heights, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/weldon-spring-heights
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