USCIS Receipt Number Format Explained

USCIS receipt number WAC / CSC - California, LIN / NSC - Nebraska, EAC / VSC - Vermont on i797C notice received in 1-3 weeks by mail. Check case staus online.

  By Am22tech    Updated  23 Mar, 20

USCIS Receipt Number Format

Each USCIS application like H1B or L visa is issued a receipt number within 1-3 days of receiving.

CodeService Center Name / Location
CSC / WACCalifornia Service Center
formerly known as Western Adjudication Center
VSC / EACVermont Service Center
formerly known as Eastern Adjudication Center
MSC / NBCNational Benefits Center
LIN / NSCNebraska Service Center
TSC / SRCTexas Service Center
formerly known as Southern Regional Center
YSCPotomac Service Center
IOEELIS (E-Filing). Applications filed online.


The two digits are the fiscal year (starts on Oct 1, ends on Sep 30) in which USCIS received the petition. 

Example: “18″ means that the petition was received between Oct 1, 2017 to Sep 30, 2018.   Note that the government fiscal year runs from October 1st until September 30th.

Working Day Number

The three digits represent the working day during the current fiscal year on which the receipt was processed and the fee was taken. 

Example: Above application was received on 249th working day of the fiscal year starting counting from October 1st. Check yourself on time and date calculator.

USCIS Case Number

The last five digits are unique sequential number (kind of counter). if you file two applications like H1B and H4 together, you might see these 5 numbers in sequence.

USCIS also uses a different receipt number generation number system that does not match with the above logic for some types of EAD and I130 applications. We do not the logic behind those receipt numbers. There is no need to worry and receipt numbers are perfectly legal.

i-797 Receipt Number

How long it takes to get USCIS receipt number: 1-5 weeks. In 90% of cases, you do get receipt within 7-10 days.

You can expect to receive i-797C Notice of receipt with receipt number printed on it within 1-3 weeks after USCIS received your application.

If you had attached a form G-1145 with your application, you will receive an email and SMS (text message – free of cost) with your receipt number automatically after its generated in USCIS system. 

USCIS receipt number on i797c notice
USCIS receipt number on i797c notice

The date written on i797C notice of receipt as “Received Date” should be used for tracking processing time.

Form i797C will still be sent by formal USPS mail either to you or your employer or attorney as mentioned on your application’s mailing address.

USCIS my case status does not recognize receipt number Entered

Don’t worry. This error might be temporary. Try DHS website if the error does not go away for your case on USCIS case status website.

USCIS Case Processing Times

You can track your case processing time by using our daily tracker for H1B, H4, H4/L2 EAD (i765), i140, I130 (Green card for relatives), i485 (Adjustment of Status) that’s updated with real time data from various user driven forums.

You can also checl processing time on official USCIS website.

USCIS Case Status with Receipt Number

You need your USCIS case receipt number from i797 notice of receipt to check current case status online on USCIS website. Just enter your receipt number and you will be shown the status.

Check USCIS case status online with receipt number
Check USCIS case status online with receipt number

USCIS Case Status Approved

Case status ‘Approved‘ means that your application has been approved by USCIS and you can expect to receive form i797A notice of action within 1-3 weeks by USPS mail.

USCIS status ‘Name was updated’ has nothing to worry including the address was updated.

USCIS Case Status Login

You can even register for a free account on USCIS website and add your receipt number for easy tracking.

You will automatically receive an email as and when there is an update on your receipt number. 

Account creation is recommended as you can track multiple cases in your account and it shows you complete case history too.


  By Am22tech  

Comments are closed. Have a question? Ask in forum

    Ask Question in forum