As far as I know the case number is dependent on the service center and not the applicants country. And for VSC it has always been EAC. I guess you might have got the A - Number (Alien number ). That is the INS reference number issued for all non-US ctizens entering into US with a valid VISA. The history of each person is stored in that system.
What ravisind said is correct. That A# will be at the time of i_140 approval for primary candidates and same will be given for spouses at the time of 485 receipt. I have no idea whether it the first three digits represents country
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.