Publication 28 - Postal Addressing Standards > Appendix B
Use the abbreviations below when addressing mail. Using the two–letter state abbreviations makes it possible to enter the city, state, and Five–Digit ZIP Code (or ZIP+4 Code) on the last line of the address within 28 positions when necessary: 13 positions for city, 1 space between the city and state abbreviation, 2 positions for the state, 2 spaces (preferred) between the state and ZIP Code, and 10 positions for the ZIP+4 Code.
State/Possession
Abbreviation
Alabama
AL
Alaska
AK
American Samoa
AS
Arizona
AZ
Arkansas
AR
California
CA
Colorado
CO
Connecticut
CT
Delaware
DE
District of Columbia
DC
Federated States of Micronesia
FM
Florida
FL
Georgia
GA
Guam
GU
Hawaii
HI
Idaho
ID
Illinois
IL
Indiana
IN
Iowa
IA
Kansas
KS
Kentucky
KY
Louisiana
LA
Maine
ME
Marshall Islands
MH
Maryland
MD
Massachusetts
MA
Michigan
MI
Minnesota
MN
Mississippi
MS
Missouri
MO
Montana
MT
Nebraska
NE
Nevada
NV
New Hampshire
NH
New Jersey
NJ
New Mexico
NM
New York
NY
North Carolina
NC
North Dakota
ND
Northern Mariana Islands
MP
Ohio
OH
Oklahoma
OK
Oregon
OR
Palau
PW
Pennsylvania
PA
Puerto Rico
PR
Rhode Island
RI
South Carolina
SC
South Dakota
SD
Tennessee
TN
Texas
TX
Utah
UT
Vermont
VT
Virgin Islands
VI
Virginia
VA
Washington
WA
West Virginia
WV
Wisconsin
WI
Wyoming
WY
Geographic Directional
North
N
East
E
South
S
West
W
Northeast
Southeast
SE
Northwest
NW
Southwest
SW
Military “State”
Armed Forces Europe, the Middle East, and Canada
AE
Armed Forces Pacific
AP
Armed Forces Americas(except Canada)
AA
