Delaware River and Bay Authority (302) 571 6300
- Engineering (302) 571-6309
- Finance (302) 571-6322
- Human Resources (302) 571-6438
- Police (302) 571-6342
- Public Information Office (302) 571-6409
- Economic Development (302) 571-6445
Delaware Memorial Bridge (302) 571-6300
- E-ZPass Customer Service (888) 288-6865
- Cape May – Lewes Ferry (800) 643-3779
Airport Administration (302) 571-6161
- New Castle Airport (302) 571-6165
- Millville Airport (856) 825-1244
- Cape May Airport (609) 886-8652
- Delaware Airpark (302) 735-5519