| Business | Phone |
| Cedar Cooperative Extension 101 E Centre St, Hartington 68739 | (402) 254-6821 |
| Cedar County Appraisal Po Box 668, Hartington 68739 | (402) 254-6750 |
| Cedar County Nebraska 101 S Broadway Ave, Hartington 68739 | (402) 254-7412 |
| Cedar County Handi-Bus Hartington 68739 | (402) 254-6147 |
| Cedar County Register Of Deeds 101 S Broadway Ave, Hartington 68739 | (402) 254-7411 |
| Cedar County Road Supt 101 E Centre St, Hartington 68739 | (402) 254-7309 |
| Cedar County Shop 88179 Highway 57, Hartington 68739 | (402) 254-6551 |
| Cedar County Veterans Svc Ofc 103 S Broadway Ave, Hartington 68739 | (402) 254-7473 |
| Cedar County Zoning Supt Po Box 816, Hartington 68739 | (402) 254-6870 |
| Natural Resources District 608 N Robinson Ave, Hartington 68739 | (402) 254-6758 |