| Business | Phone |
| Millstadt Maintenance Building 700 S Breese St, Millstadt 62260 | (618) 476-1515 |
| Millstadt Sewer Plant 410 E Laurel St, Millstadt 62260 | (618) 476-1513 |
| Millstadt Twp Office 820 S Jefferson St, Millstadt 62260 | (618) 476-1207 |
| Millstadt Village Hall 111 W Laurel St, Millstadt 62260 | (618) 476-1514 |