This agency is known as USCIS for short. It is a government agency. They oversee lawful immigration to the United States. Please call or visit the website for more information.

Operating Hours:
800.375.5283 (TTY 800.767.1833)
Outside the U.S? Call 212.620.3418
Monday - Friday 8:00 a.m. to 8:00 p.m. Eastern Time