Contact GHA For general enquiries please contact GHA Reception on (03) 5136 5000. For GHA Support Agencies please contact GHA Service Desk on (03) 5136 5065 Our address:Gippsland Health Alliance,158 Princes Highway, Traralgon VIC 3844Postal: PO Box 722, Traralgon VIC 3844Office Hours: 8.30am to 5pm Monday to Friday.Closed Public Holidays.