Dates of post office operation:
| Zip Code | 63389 | Location | 39.1 miles NW of St Louis | Latitude | 38.989727 | Longitude | 90.821319 | Map from US Census | <a href="http://tiger.census.gov/cgi-bin/mapgen?lat=38.989727&lon;=-90.821319&wid;=.25&ht;=.25&iht;=400&iwd;=600&mla |
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