Information on immigration eligibility, filing, procedures, and case status is available on the USCIS web site. Immigration forms and their accompanying instructions are available for download as well. The frequently asked questions section of the USCIS web site provides answers to common questions concerning immigration services and benefits. Additional information, and assistance, are also available from the USCIS National Customer Service Center (NCSC) at 1-800-375-5283(TTY: 1-800-767-1833). The NCSC provides recorded information 24 hours a day. Additionally, live assistance is available from 8 a.m. to 6 p.m. ET, Monday through Friday, except federal holidays.