The email address of Clt Airport is info@cltairport.com. Clt Airport Website The Website of Clt Airport is www.charlotteairport.com. Clt Airport Customer Support Service Phone Number The customer support phone number of Clt Airport is +1-(704)-359-4013, +1-704-359-4027 (Click phone number to call). data-ad-slot=7829909793> CLT Airport Contact Customer Service Phone Number Clt Airport Customer Service Phone Number Phone Number of Clt Airport is +1-(704)-359-4013, +1-704-359-4027. CLT Airport is abbreviated for 'The Charlotte Douglas International Airport' is a publicly serviced airport owned by the City of Charlotte and operated by the Charlotte Department of Aviation.