Need assistance? Contact NHI's Customer Service team.
Business hours are Monday ‑ Friday, 7:30a.m. ‑ 4:30p.m. EST.
You can email NHI at NHICustomerService@dot.gov or by using the form below:
As of March 15, 2017, to access Pay.gov users must use:
For Pay.gov questions, concerns, technical issues or for more information, please contact Pay.gov Customer Service at:
800-624-1373 (Toll free, Option #2)
216-579-2112 (Option #2)
Hours are Monday - Friday, 7:00 AM - 7:00 PM ET.
To pay by check, mail a copy of your invoice and a check made payable to the Federal Highway Administration to:
ATTN: AMK-324/HQ BLDG/ROOM 181
6500 S. MacArthur Blvd
Oklahoma City, OK 73169
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