AL= Alabama
AK=Alaska
AR=Arkansas
AZ=Arizona
CA=California
CO=Colorado
CT=Connecticut
DE=Delaware
FL=Florida
HI=Hawaii
IA=Iowa
ID=Idaho
IL=Illinois
IN=Indiana
KS=Kansas
KY=Kentucky
LA=Louisiana
MA=Massachusetts
MD=Maryland
ME=Maine
MI=Michigan
MN=Minnesota
MO=Missouri
MS=Mississippi
MT=Montana
NC=North Carolina
ND=North Dakota
NE=Nebraska
NH=New Hampshire
NJ=New Jersey
NM=New Mexico
NV=Nevada
NY=New York
OH=Ohio
OK=Oklahoma
OR=Oregon
PA=Pennsylvania
RI=Rhode Island
SC=South Carolina
SD=South Dakota
TN=Tennessee
TX=Texas
UT=Utah
VA=Virginia
VT=Vermont
WA=Washington
WI=Wisconsin
WV=West Virginia
WY=Wyoming
Some others you may see, not actually US States, mostly overseas territories in the Pacific Ocean:
AS=American Samoa
DC=District of Colombia
MH=Marshall Islands
MP=Nothern Mariana Islands
PA=Palau
PR=Puerto Rico
VI=US Virgin Islands
AK=Alaska
AR=Arkansas
AZ=Arizona
CA=California
CO=Colorado
CT=Connecticut
DE=Delaware
FL=Florida
HI=Hawaii
IA=Iowa
ID=Idaho
IL=Illinois
IN=Indiana
KS=Kansas
KY=Kentucky
LA=Louisiana
MA=Massachusetts
MD=Maryland
ME=Maine
MI=Michigan
MN=Minnesota
MO=Missouri
MS=Mississippi
MT=Montana
NC=North Carolina
ND=North Dakota
NE=Nebraska
NH=New Hampshire
NJ=New Jersey
NM=New Mexico
NV=Nevada
NY=New York
OH=Ohio
OK=Oklahoma
OR=Oregon
PA=Pennsylvania
RI=Rhode Island
SC=South Carolina
SD=South Dakota
TN=Tennessee
TX=Texas
UT=Utah
VA=Virginia
VT=Vermont
WA=Washington
WI=Wisconsin
WV=West Virginia
WY=Wyoming
Some others you may see, not actually US States, mostly overseas territories in the Pacific Ocean:
AS=American Samoa
DC=District of Colombia
MH=Marshall Islands
MP=Nothern Mariana Islands
PA=Palau
PR=Puerto Rico
VI=US Virgin Islands