Air Berlin publishes contact information according to the customer's location on the company's official website, AirBerlin.com. As of 2015, when calling from Germany, the phone number is 030-3434-3434. When calling from the United States, travelers must dial 866-266-5588.
In addition to 24/7 phone service, Air Berlin publishes answers to frequently asked questions and a contact form for email and postal messages. The airline covers answers to ticketing questions, such as what an e-ticket is, how travelers can find reasonably priced tickets, and what service charges apply to bookings. The German airline offers translations of the site's content through a country selection link.