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Contact Us

Please complete the form below to contact the Information Services department directly regarding inquiries related to the DVIR application. 

Due to GDPR, if you are an EU resident, please:

General Inquiries

If you have a general question regarding the DVIR application and wish to contact the Information Services Help Desk, please contact us at: 


11785 Beltsville Drive, Suite 1100
Calverton, Maryland 20705-4049
Tel: 877-523-0225 (Help Desk) 
Fax: 301-982-3414 or 301-982-5478

Hours of Operations

8am - 8pm Monday - Friday

View a list of IANA's observed holidays here