As of October 1, 2012, the Portland, Maine USCIS office will require that all customers make an appointment via the InfoPass system in order to be seen. This is a change from their current practice of accommodating walk-in customers. Customers can access the InfoPass system by going to the USCIS home page (, where to link to InfoPass is on the upper left side of the screen, or simply by visiting It is available in 12 different languages. In Portland, appointments can often be made for the same day. Customers who already have an appointment that has been scheduled with USCIS, such as an interview on a pending petition or application, do not need to use the InfoPass system.