Also serving St. Charles County
| Town | ZIP |
|---|---|
| St. Peters | 63376 |
| Cottleville | 63304 |
| Weldon Spring | 63304 |
Surrounding areas — St. Louis County
| Town | ZIP |
|---|---|
| Bridgeton | 63044 |
| Maryland Heights | 63146 |
| Hazelwood | 63042 |
| St. Ann | 63074 |
| Woodson Terrace | 63134 |
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