How can I speak to aHawaiian representativefast? Phone Assistance: Dialing [+๐-๐๐๐-๐๐๐-๐๐๐๐ ].(OTA) or +[๐-๐๐๐-๐๐๐-๐๐๐๐.] is one of the quickest ways to chat with a Hawaiian support agent. Their main website has this phone number posted. Make use of the number and follow the guidelines to speak with a customer service representative.