| Business | Phone |
| Circuit Clerk 415 3rd St, Platte City 64079 | (816) 858-2232 |
| County Collector 409 3rd St, Platte City 64079 | (816) 858-2232 |
| Platte Cnty Voter Registration 2600 Nw Prairie View Rd, Platte City 64079 | (816) 858-4400 |
| Platte County Communications 415 3rd St # 10, Platte City 64079 | (816) 858-5848 |
| Platte County Coroner Platte City 64079 | (816) 858-2232 |
| Platte County Juvenile 508 3rd St, Platte City 64079 | (816) 858-3420 |
| Platte County Public Adm 415 3rd St # 90, Platte City 64079 | (816) 858-2130 |
| Platte County Special Road 15615 Interurban Rd, Platte City 64079 | (816) 858-2342 |
| University Extension 425 Main St, Platte City 64079 | (816) 858-2165 |