Dates of post office operation:
| Zip Code | 63012 | Location | 22.2 miles SW of St Louis | Latitude | 38.338425 | Longitude | 90.41417 | Map from US Census | <a href="http://tiger.census.gov/cgi-bin/mapgen?lat=38.338425&lon;=-90.41417&wid;=.25&ht;=.25&iht;=400&iwd;=600&mla |
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