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Toll Inquiries

MDX Customer Service Center

SunPass® Customer Service Center


If you received an invoice with a BLUE banner that has TOLL INVOICE on the top right as seen above, or have a registration hold placed by MDX, contact us via the email or phone number below.

If you received a GRAY banner invoice that has TOLL ENFORCEMENT INVOICE on the top left, contact SunPass®

Mailing Address

Miami-Dade Expressway
3790 NW 21st Street
Miami, FL 33142