| Business | Phone |
| County Traffic Bureau 220 N Washington Ave, Mason City 50401 | (641) 424-6170 |
| Iowa Department Of Trnsprtn 523 S Illinois Ave, Mason City 50401 | (641) 423-8516 |
| Magistrate Court 220 N Washington Ave, Mason City 50401 | (641) 424-0638 |
| Mason City Clerk Of Court 220 N Washington Ave, Mason City 50401 | (641) 424-6431 |
| North Ia Dispute Settlement 220 N Washington Ave, Mason City 50401 | (641) 421-3119 |