Depends what visa and what country
The non-immigrant visa number shows up in red ink on the lower-right side of the K-1 Visa.
Depends what visa and what country
italy
yes
Depends what visa and what country
"A" number, if its referred to Alien number, then non-immigrant workers on that status do not get "A" numbers.
Do you need sponsorship for non immigrant visa?
No
an approval from the USCIS for a non-immigrant visa.
nope
No, a J-1 visa is a non immigrant visa and therefore not eligible for transition into resident status.
Yes this is very common