Contact Us

Please note: 
We are experiencing higher-than-usual call volume. There are self-service options available 24/7 on Columbus Revenue Service Portal (CRISP) at including secure messaging and our chatbot OTUS. 

Telephone Numbers:

CRISP Help Line (614) 645-8899
Business Withholding (614) 645-8368
Business Net Profit (614) 645-8328
Delinquent Accounts (614) 645-8152
Hotel/Motel Excise Tax (614) 645-7865
Individual Accounts (614) 645-7646
Other Questions (614) 645-7370

Secure Messaging:
Log into your tax account at and click on “More” then click “View and Send Messages”. When you communicate with us by secure message, we will do all we can to respond to your message promptly. 


We strongly encourage you to use our secure messaging option on CRISP for all tax questions. For security and privacy reasons, e-mail may only be used for general questions. If you do not have access to CRISP, you can email us at [email protected] However, do not e-mail tax documents containing your SSN/FID or any confidential data. These documents must be either uploaded to your account at or mailed to our office using the Correspondence address under Contact Us Page.