By entering the case number on the U.S. Department of State’s CEAC (Consular Electronic Application Center) website.

By contacting the U.S. embassy/consulate or calling USCIS customer service directly.

By logging into their USCIS online account or checking with the USCIS case status tool.

You can check your case status online through the USCIS Case Status tool using your receipt number, or on the Department of State’s CEAC website if it’s a visa application.