Dates of post office operation:
| Zip Code | 63090 | Location | 42.2 miles SW of St Louis | Latitude | 38.545851 | Other name(s) | Bosscia | Longitude | 91.019346 | Map from US Census | <a href="http://tiger.census.gov/cgi-bin/mapgen?lat=38.545851&lon;=-91.019346&wid;=.25&ht |
|---|