Public Directory Add to Address Book. HawaiiCon, Inc. HawaiiCon, Inc. Address P.O. Box 1229 Hilo HI 96721 United Statespostal Work Email: [email protected]INTERNET Website: http://www.hawaiicon.com/ Related by Category Ku‘ikahi Mediation Center 808-935-7844home [email protected]INTERNET HIPlan [email protected]INTERNET Big Island Substance Abuse Council (808) 969-9994home [email protected]INTERNET Hilo Medical Center Foundation (808) 932-3636home [email protected]INTERNET Community First (808) 756- 9637home [email protected]INTERNET Going Home Hawaii (808) 491- 2437home [email protected]INTERNET YWCA of Hawai`i Island (808) 935-7141home [email protected]INTERNET Arc of Hilo (808) 935-8534home [email protected]INTERNET