Every time you interact with U.S. Citizenship and Immigration Services, a receipt number serves as your main reference for tracking, inquiries, and case management. Understanding how these numbers are assigned and used helps applicants and representatives communicate more effectively.
This guide explains what a receipt number is, where to locate it, and how it fits into USCIS processing workflows. You will find structured details, practical examples, and a compact reference table for quick lookup.
| Receipt Number Format | Typical Case Type | Processing Center | Length |
|---|---|---|---|
| MSC NYCD-DOE | Change of Status or Extension | New York, Lockbox | 13 characters |
| NYSDOJ73789US | Adjustment of Status | New York, JFK | 12 characters |
| WAC192345678BO | Employment Authorization | Washington, Field | 13 characters |
| IOE4234876SI | Initial/Occupational Entry | Chicago, Service Center | 12 characters |
| KCC2345678ED | K1 Visa & Fiancé Cases | Kentucky, Consular | 12 characters |
How USCIS Assigns Receipt Numbers
USCIS generates a unique receipt number as soon as an application or petition is filed and the fee is accepted. The structure varies by service center, lockbox location, and case type, but it always identifies the jurisdiction and sequence of the filing.
For adjustment of status applications, the number often starts with a city or office code followed by a year or sequence identifier. Knowing this structure helps applicants recognize legitimate notices and avoid deceptive forms or scams.
Where to Find Your Receipt Number
On Paper Notices
You will see the receipt number prominently at the top of Form I-797, I-129, I-140, I-485, and most other USCIS correspondence. It appears near the filing date and case type header.
In Electronic Filings
For e-filed applications, the confirmation page and email receipt contain the receipt number. You can also retrieve it through your USCIS Online Account by viewing the case details or downloading the original receipt.
Using Your Receipt Number for Case Inquiries
When contacting USCIS customer support, a specialist will request your receipt number to locate your case immediately. Including this number in emails, letters, or webform submissions reduces processing delays and prevents duplicate requests.
When checking case status online, entering the receipt number along with your last name typically shows the latest action, estimated processing times, and any additional documents required.
Receipt Number Best Practices and Verification
- Always copy the receipt number exactly as shown, including letters, spaces, and hyphens.
- Save a screenshot or PDF of the page where the number appears after online submission.
- Use the number on all correspondence related to the same filing.
- Verify the number on the official USCIS website if you receive unsolicited messages claiming issues with your case.
Key Takeaways for USCIS Receipt Number Management
- Treat your receipt number as the primary identifier for all case-related communication.
- Verify the number on any official notice or email before acting on instructions.
- Keep a record of the number with dates of any submissions or inquiries.
- Use the number consistently across phone calls, webforms, and written letters.
FAQ
Reader questions
What should I do if I cannot find my USCIS receipt number?
Check your email for confirmation messages or your account dashboard, review the top of any paper notices you received, and if still missing, contact USCIS customer service with your full name and date of birth to retrieve it.
Can the receipt number change during processing?
No, the receipt number assigned at filing remains the same for the entire life of that application or petition unless USCIS formally transfers the case to a different office and issues a new notice.
Do receipt numbers reveal the date I applied? While some formats include a year or sequence that can approximate timing, you should rely on the official filing date on your notice rather than decoding the receipt number to determine timeliness. Is it safe to share my receipt number publicly?
Share your receipt number only with trusted representatives, official agencies, or support channels, because it can be used to look up detailed information about your immigration case.