A-1Ambassador, diplomat or consular officer and their immediate family
A-2 Other foreign government official and their immediate family
A-3 Personal attendant or employee and their immediate family
B-1 Temporary business visitor
B-1A Personal domestic servant of NI employer
B-1B NI domestic servant of USC
B-1C Foreign airline employee
B-1D NI missionaries
B-2 Temporary tourist visitors
C-1 Alien in transit -- travelling through the U.S. to a third country
CCMass migration, Cuban parolees
CH Humanitarian Parolee
CPPublic interest parole (certain nationals)
D Crewmen (aircraft or sea vessel)
DE Deferred Inspection
E-1 Treaty trader, spouse and minor children
E-2 Treaty investor, spouse and minor children
EWI Entry without inspection
F-1 Academic or language student
F-2 Spouse and minor children of F-1
G-1 thru G-5 International organization representative (e.g. United Nations), their immediate family, and staff
GB/GTVisitor without visa, 15 days (does not exist anymore)
H-1B Professional worker in a specialty occupation
H-1B1Otherwise inadmissible under H-1B but allowed under agreement
H-2A Agricultural temporary worker
H-2B Nonagricultural temporary worker
H-3 Temporary trainee, special education (H3B)
H-4 Spouse and minor children of H-1, H-2 and H-3 visa holders
IRepresentative of foreign press, and their immediate families
INIndefiniteparole (now changed to 1 year expiration?)
J-1 Exchange visitor
J-2 Spouse and minor children of J-1 visa holders
K-1Alien fiancé(e) of U.S. citizen and minor children
K-3 Spouse of U.S. Citizen
L-1 Temporary intra/intercompany transferee
L-2 Spouse and minor children of L-1 visa holder
LZ Blanket L1 Petition
M-1 Student enrolled in vocational educational programs
M-2 Spouse and minor children of M-1 visa holder
N-1 thru N-9 NATO Visa holder
O-1 Aliens of extraordinary ability
O-2 Accompanying aliens
O-3 Spouse and children of O-1/O-2
P-1 Internationally recognized athlete and entertainer
P-1A Internationally Recognized Athlete
P-1B Member of an Internationally Recognized Group
P-2 Artist and entertainer in reciprocal exchange program
P-3 Athlete and entertainer coming to the U.S. to perform in a group
Q-1 International cultural exchange participant
Q-2 Immediate family members of Q-1 visa holder
R-1 Religious worker
RERefugee
R-2 Spouse and minor children of religious worker
S-1 Aliens supplying key criminal-related information
S-2 Aliens supplying key terrorist-related information
S-3 Immediate family members of S-1/S-2 visa holder
STStowaway
T-1 Aliens who are victims of severe forms of trafficking in persons
T-2 Spouse of the T-1Victims
T-3 Children of the T-1Victims
T-4 Parents of the T-1Victims
T-5 Unmarried siblings under age of 18 of the T-1 Victims
TN NAFTA professional
TWO Transit without visa
U-1 Aliens who are victims of qualifying criminal activity
U-2 Spouse of the U-1 Victims
U-3 Children of the U-1 Victims
U-4 Parents of the U-1 Victims
V1/V2 – spouse and children of LPR