Monona County, website
Monona County in Iowa uses area code 712. This page is a phonebook directory where you will find the physical address and contact information of the most relevant government offices in Monona, including the Clerk’s Office, Sheriff’s Office, and the Health Department.
Sheriff’s Office
909 7th St.
Onawa, IA 51040
Phone: (712) 433-1414
Fax: (712) 433-1398
Police Department
909 7th Street
Onawa, Iowa 51040
Phone: (712) 433-1379
Clerk of Court
610 Iowa Avenue
Onawa, IA 51040
Phone: (712) 423-2491
District Court
610 Iowa Avenue
Onawa, IA 51040
Phone: (712) 423-2491
County Attorney
610 Iowa Avenue
Onawa, IA 51040
Phone: (712) 423-1728
Fax: (712) 433-9592
Treasurer
610 Iowa Ave.
Onawa, IA 51040
Phone: (712) 433-2347
County Assessor
P. O. Box 175
Onawa, IA 51040
Phone: (712) 433-2271
Fax: (712) 433-9578
Monona County Jail
909 7th Street
Onawa, IA 51040
Phone: (712) 433-1414
Emergency Management
909 7th Street
Onawa, Iowa 51040
Phone: (712) 433-1294
Fire Department
211 Maple St.
Onawa, IA 51040
Phone: (712) 433-1511
Human Resources Department
610 Iowa Ave.
Onawa, IA 51040
Phone: (712) 644-2460
Health Department
1600 Diamond Street
Onawa, IA 51040
Phone: (712) 423-2311
School District
1314 15th St.
Onawa, IA 51040
Phone: (712) 433-2043