| Business | Phone |
| Carroll County Brd-Supervisors 114 E 6th St, Carroll 51401 | (712) 792-4923 |
| Carroll County Circuit Clerk 114 E 6th St, Carroll 51401 | (563) 244-0230 |
| Carroll County Engineer 1400 W 6th St, Carroll 51401 | (712) 792-3603 |
| Carroll County Extension Isu 1240 Heires Ave D, Carroll 51401 | (712) 792-2364 |
| Carroll County General Relief 515 N Main St, Carroll 51401 | (712) 792-5150 |
| Carroll County Home Care Aid 17436 Mahogany Ave, Carroll 51401 | (712) 792-9517 |
| Carroll County Recorder 114 E 6th St, Carroll 51401 | (712) 792-3328 |
| Carroll County Sanitarian 114 E 6th St, Carroll 51401 | (712) 792-9532 |
| Magistrate Court 114 E 6th St, Carroll 51401 | (712) 792-2345 |
| Carroll County Victim Witness 225 E 7th St, Carroll 51401 | (712) 792-6092 |
| State Of Iowa Voc Rehab Svc 619 N Carroll St, Carroll 51401 | (712) 792-9351 |
| Carroll County Zoning/Esda 114 E 6th St, Carroll 51401 | (563) 244-0284 |
| County Garage 1400 W 6th St, Carroll 51401 | (712) 792-3817 |
| Honorable John W Rapp Jr 114 E 6th St, Carroll 51401 | (563) 244-0271 |
| Honorable Richard E De Moss 114 E 6th St, Carroll 51401 | (563) 244-0276 |