Dates of post office operation:
| Zip Code | 63438 | Location | 73.2 miles NE of Columbia | Latitude | 39.962486 | Longitude | 91.670415 | Map from US Census | <a href="http://tiger.census.gov/cgi-bin/mapgen?lat=39.962486&lon;=-91.670415&wid;=.25&ht;=.25&iht;=400&iwd;=600&mlat |
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