Citizenship Services

Welcome to American Citizen Services (ACS) for Phnom Penh, Cambodia. All non-emergency consular services, including passports, citizenship or birth registration, require an appointment. We will not accept walk-ins. This assists us in providing prompt and efficient consular services to American Citizens residing in Cambodia. Please plan accordingly.

* Please note that attorneys and other individuals who are not direct beneficiaries of a petition or application are not permitted in the waiting room to discuss Immigrant Visa (IV), or Non-Immigrant Visa (NIV) cases. Additionally, in an effort to serve our U.S. citizen community with the best possible service, U.S. citizens should not book ACS appointments to discuss visa issues. IV, NIV or CRBA inquiries/questions can be directed to,, or

Important Notice: All Minors Must Appear in PersonSpecial Requirements for Children Under Age 16 Applying for Passports; and Third-Party Attendance at CRBA and Passport Interviews. 

Appointment hours
Monday – Thursday 1:00 – 3:00pm
Tel: (855) 023-728-000 Fax: (855)-023-728-700
In the event of an emergency contact the Embassy at 023-728-000.