How do i contact ohare airport customer service? You can use their phone number to contact them quickly and speak to their representative. You can dial the official phone number (800) 832-6352 and connect with IVR to navigate to its representative. Speak with the support agent on the call about the problem you are facing at Ohare airport.Is there security at ohare international airport? At O'Hare International Airport, security and safety are always our top priorities. Security and Customs How do i rent a car at ohare airport? Enterprise has a car rental office on-site at the Chicago O'Hare International Airport. Upon arrival, follow signs to the Rental Car Pick up areas, from there you will be shuttled to the Enterprise location. (All Rental Car Locations at O'Hare require bus transportation)Why choose ohare airport services? O’Hare Airport Services Chicago International is traditionally a place full of noise and bustle and lots of people. Owing to shortage of time, it is not easy to find a place where you can relax and breathe, especially during business and family trips.