Taxpayer Service
Phone: (410)260-7980 from Central Maryland or toll-free 1-800-638-2937 from elsewhere in Maryland
Fax: (410)260-7313
E-mail: taxhelp@marylandtaxes.gov

Licensing and Registration Information:

Phone: (410)260-7215 from Central Maryland or toll-free 1-800-638-2937 from elsewhere in Maryland
E-mail: MFTLicenses@marylandtaxes.gov

IFTA E-file Information

Phone: (410)260-7980 from Central Maryland or toll-free 1-800-638-2937 from elsewhere in Maryland
E-mail: IFTA_Carriers@marylandtaxes.gov

IFTA Reporting Information:

Phone: (410)260-7980 from Central Maryland or toll-free 1-800-638-2937 from elsewhere in Maryland
E-mail: IFTA_Carriers@marylandtaxes.gov

Fax: (410)260-7313

Mailing Address:

For Returns:                                                                    
Comptroller of Maryland                                                    
Revenue Administration Division                                        
IFTA Return Processing                                                     
P.O. Box 2171                                                                  
Annapolis, MD 21404          

For Licensing and Decals:
Comptroller of Maryland 
Field Enforcement Bureau
Licensing & Registration Section
P.O. Box 2397
Annapolis, MD 21404     

For other Maryland contacts, please see https://www.marylandtaxes.gov/contact-us.php