Format: {FIRST PART}-{SECOND PART}-{THIRD PART}-{FOURTH PART}
Example: EAC-12-209-52348
- FIRST PART
- Indicates the USCIS Service Center where H-1B petition was filed
- EAC – Vermont Service Center (old name: Eastern Adjudication Center).
- LIN – Nebraska Service Center (LIN refers to Lincoln, Nebraska).
- SRC – Texas Service Center (old name: Southern Regional Center).
- WAC – California Service Center (old name: Western Adjudication Center).
- Indicates the USCIS Service Center where H-1B petition was filed
- SECOND PART
- Last two digits of the Year in which H-1B petition was filed.
- THIRD PART
- Working Day (i.e. excluding weekend & holidays) starting from October 1st of the year of filing
- FOURTH PART
- Indicates the Case Number that was assigned to your H-1B petition.