U.S. Citizenship and Immigration Services
Provides for the administration of the immigration and naturalization laws relating to the admission exclusion, deportation and naturalization of aliens. Responsible for preventing illegal entry to the United States. Assists eligible individuals in obtaining citizenship by providing training and information.
(800) 375-5283 National Customer Service
(202) 282-8000 Citizen Line
(202) 282-8495 Comment Line