Your A-Number is the letter “A” followed by 8 or 9 numbers (such as A012345678). Your DOS Case ID is 3 letters followed by 9 or 10 numbers (for example, XYZ0123456789). If you are a Diversity Visa immigrant, your DOS Case ID will have 4 numbers followed by 2 letters and 5 more numbers (for example, 0000AB12345).
``IOE'' stands for Integrated Operating Environment. It just means that your case being processed electronically instead of paper work. Nothing else, processing time and other features are the same in comparison to other receipts numbers.
Mark the envelope and the cover letter with the type of submission. For example, Original Submission, Application to Register Permanent Residence or Adjust Status (Form I-485). Mark the envelope and the cover letter with the form number.
The receipt number is a unique 13-character identifier that USCIS provides for each application or petition it receives. The agency uses it to identify and track its cases. The receipt number consists of three letters-for example, EAC, WAC, LIN, SRC, NBC, MSC or IOE-and 10 numbers.
Follow these simple steps to check your case status with your USCIS receipt number: Visit the USCIS Case Status Page. Go to the Check Your Case Status page on USCIS. Enter your USCIS receipt number. Type the 13-character receipt number into the provided box (without dashes). Review Your Case Status.
What Is a USCIS Receipt Number? USCIS assigns a unique 13-character case number to each application that people file. This is called the receipt number for your case. The first three characters of your case's receipt number depend on which of the USCIS service centers are processing your case.
The receipt number is a unique 13-character identifier that USCIS provides for each application or petition it receives. The agency uses it to identify and track its cases. The receipt number consists of three letters-for example, EAC, WAC, LIN, SRC, NBC, MSC or IOE-and 10 numbers.
With your receipt number, you can check the status of your case on . uscis and also register on our Web site for automatic case status updates while we process your case. Processing Times: Applications are processed by visa preference category in the order they are received.