Your NVC case number is the unique identifier assigned by the National Visa Center after your immigrant petition leaves USCIS. It unlocks the Consular Electronic Application Center (CEAC), where you'll pay fees, submit the DS-260, and upload civil documents. Without it, your consular processing journey stalls entirely.
Knowing how this number is structured helps you catch errors early. It tells you which embassy is handling your file, the fiscal year your case was created, and your sequence number.
Anatomy of an NVC Case Number
An NVC case number consists of a three-letter embassy post code followed by a series of digits. For example, a case assigned to Mumbai starts with "BMB", while a case assigned to Montreal starts with "MTL".
- The Post Code: The first three letters represent the U.S. Embassy or Consulate processing your visa. If you move or change consulates later, this prefix may update.
- The Year or Batch Digits: The numbers immediately following the prefix often designate the year the file was created or log numbers assigned by the system.
- The Sequence Numbers: The trailing digits represent your unique file sequence among those processed by that post.
Don't confuse this identifier with your USCIS receipt number. Your USCIS receipt number (such as EAC or WAC) tracks your initial petition like Form I-130. Your NVC case number takes over once that petition is approved and sent to the Department of State. To understand the full picture, we recommend the recent analysis by The New York Times.
Finding Your NVC Welcome Letter
The National Visa Center generates your case number and invoice ID number after they ingest your approved petition. They send these credentials via email or postal mail to the petitioner and attorney of record.
If you haven't received your welcome notice, check your spam folder or verify whether USCIS has actually transferred your file yet. Sometimes petitions sit in transit for weeks. If a reasonable amount of time has passed since your approval notice, you can submit an inquiry through the Department of State Public Inquiry Form to request your credentials.
Keep these numbers secure. Anyone with your case number and invoice ID can log into your CEAC portal. Only share them with trusted family members or your legal representative.
Logging Into CEAC and Managing Fees
Once you have your case number and invoice ID, head over to the CEAC portal to start the next phase of your immigration journey.
- Pay Processing Fees: You'll need to pay the Immigrant Visa Application Processing Fee and the Affidavit of Support fee online. Payments usually take a few days to clear from "In Process" to "Paid".
- Submit Form DS-260: Each applicant must complete the Online Immigrant Visa Application. Once submitted, you'll get a confirmation barcode page.
- Upload Civil Documents: Scan your birth certificates, police clearances, marriage certificates, and tax documents. Make sure files are clear and saved in accepted formats before uploading them to your portal.
Monitor your status page closely. If NVC reviews your documents and finds an issue, they'll mark them as invalid, and you'll need to re-upload corrected files.
Common Mistakes to Avoid
Applicants often stumble during the transition from USCIS to NVC. Avoiding these typical errors keeps your timeline moving.
- Using the wrong number: Trying to log into CEAC with a USCIS receipt number won't work. You must use the NVC-issued case number.
- Missing the one-year contact rule: You must contact the NVC at least once every twelve months to keep your petition active. Failing to respond for a year can result in the termination of your case.
- Incorrect document formats: Uploading blurry photos of civil documents instead of crisp, full-color scans leads to document rejections and extended review times.
Frequently Asked Questions
What should I do if my NVC case number takes too long to arrive?
Processing times vary depending on how quickly USCIS ships physical or electronic files to the National Visa Center. If it's been more than six weeks since your I-130 approval and you haven't heard anything, reach out to NVC online using their public inquiry form.
Can I use my NVC case number to check processing times?
Yes. You can cross-reference your case creation date with the weekly NVC Timeframes page published by the Department of State to see roughly when case files are actively being reviewed.
What is an invoice ID number and why do I need it?
Your invoice ID number is a secondary security code provided alongside your case number. CEAC requires both numbers to log in, preventing unauthorized users from accessing your visa application files.
Will my case number change if my interview location changes?
If you move to a different country or consular jurisdiction before your interview is scheduled, you can request a transfer. In some cases, the NVC or receiving embassy will issue an updated post prefix to match your new processing location.
