| Business | Phone |
| South Sioux City Administrator 1615 1st Ave, South Sioux City 68776 | (402) 494-7517 |
| South Sioux City Animal Cntrl 215 E 26th St, South Sioux City 68776 | (402) 494-7590 |
| South Sioux City Communication 701 W 29th St, South Sioux City 68776 | (402) 494-7555 |
| South Sioux City Inspection 1615 1st Ave, South Sioux City 68776 | (402) 494-7518 |
| South Sioux City Purchasing 125 E 26th St, South Sioux City 68776 | (402) 494-7530 |