Taxing authority contact information and important links
Taxing Authorities
IRS
- Website: www.irs.gov/businesses
- Phone: 1-800-829-4933
- Fort Wayne Office: 201 E Rudisill Blvd
Fort Wayne IN 46806- Hours: Monday-Friday 8:30 am – 4:30 pm
- Phone: 260-458-5000
- To Make an Appointment: 844-545-5640
Indiana Department of Revenue
- Website: www.in.gov/dor/3335.htm
- Phone numbers:
- Corporate tax information: 317-615-2662
- Sales tax information: 317-233-4015
- Withholding tax information: 317-233-4016
- Collection/liability inquiries: 317-232-2165
- Fort Wayne office:
- 1415 Magnavox Way #100
Fort Wayne, IN 46804 - Hours: Monday – Friday 8:00 am – 4:00 pm
- Phone: 260-436-5663
- 1415 Magnavox Way #100
INTax
Indiana’s free online tax filing program allows you to file and pay your business taxes such as sales tax, food and beverage tax, and withholding tax
Assessors’ Offices:
- Adams County
- Allen County
- DeKalb County
- Huntington County
- Koskuisko County
- LaGrange County
- Noble County
- Steuben County
- Wabash County
- Wells County
- Whitley County
Resources
Click on the heading to visit each entity's website
Small Business Administration
Resources to plan, launch, manage, and grow your business
Indiana New and Small Business Education Center
Help for you to better understand state laws, the tax filing process, and what services are available to you to help you as your business evolves
INBiz
Indiana’s one stop resource for registering & managing your business and ensuring it complies with state laws and regulations. INBiz collects the Secretary of State, Department of Workforce Development, and Department of Revenue in one place.
IFTA/MCFT Fuel Tax System
Motor carrier services and fuel tax filing
