U.S. Citizenship and Immigration Services (USCIS) is the government agency that oversees lawful immigration to the United States.
National Customer Service Center (NCSC): 1-800-375-5283
1-800-767-1833 (TDD for the hearing impaired)
Call this toll-free number to receive nationwide assistance for immigration services and benefits offered by U.S. Citizenship and Immigration Services (USCIS). If you are outside the United States, contact your local embassy or consulate.