Free software is a matter of liberty, not price: users, individually or collectively, are free to do what they want with it â this includes the freedom to redistribute the software free of charge, or to sell it (or related services such as support or warranty) for profit.
Online at the USCIS website: A simple way to check the status of your pending case is to go to the USCIS website: USCIS Check Status. You will need your 13-character receipt number (ex. WAC-01-234-56789) in order to check online.
Step 4. Submit your Form N-400, Application for Naturalization. Once you submit Form N-400, USCIS will send you a receipt notice. You can check current processing times and the status of your application online or by calling the National Customer Service Center at 1-800-375-5283 or 1-800-767-1833 (hearing impaired).