American Citizen Services (ACS): +30 210-720-2414.
In most cases, this number is available Monday – Friday, 8:30 am to 5:00 pm, except Greek and U.S. holidays. Should this number be unavailable, please call the after-hours number below.
After-hours emergency number: +30 210-720-2490 – If your are dialing from the U.S., please call 1-888-407-4747.
ACS Unit Email: firstname.lastname@example.org
ACS Unit Fax: + 30 210-724-5313