Nov 13, 2021 · Go to the USCIS website and chat with Emma (robot) Type “live agent for receipt number’ Choose case status Choose to connect to live chat Choose – I don’t have a receipt number The next step – Explain your request briefly Example Answer: I applied for the I-765 application 90 days ago, but I have still not received a receipt number.. A USCIS Receipt Number is very similar to tracking a package on Amazon. The Receipt Number, better called a tracking number, allows a recipient to track a filing online, over the phone, or in person at an INFOPASS. Now, let’s dive deeper!!! The Receipt Number can be broken into four parts. See the diagram below:.