State Abbreviations and State Postal Codes

Since the Postal Service instituted ZIP codes and their accompanying state postal codes in 1963, the two-letter abbreviations have steadily gained popularity. Though it is usually preferable to write out the full name, space constraints often require use of an abbreviation. When you have to use an abbreviation, the standard abbreviation is strongly preferred. The postal code abbreviation should be used only in mailing addresses.

StateAbbreviationPostal
code
Alabama Ala.AL
Alaska AlaskaAK
American Samoa AS
Arizona Ariz.AZ
Arkansas Ark.AR
California Calif.CA
Colorado Colo.CO
Connecticut Conn.CT
Delaware Del.DE
Dist. of ColumbiaD.C.DC
Florida Fla.FL
Georgia Ga.GA
Guam GuamGU
Hawaii HawaiiHI
Idaho IdahoID
Illinois Ill.IL
Indiana Ind.IN
Iowa IowaIA
Kansas Kans.KS
Kentucky Ky.KY
Louisiana La.LA
Maine MaineME
Maryland Md.MD
Marshall Islands MH
Massachusetts Mass.MA
Michigan Mich.MI
Micronesia FM
Minnesota Minn.MN
Mississippi Miss.MS
Missouri Mo.MO
Montana Mont.MT
Nebraska Nebr.NE
Nevada Nev.NV
New Hampshire N.H.NH
New Jersey N.J.NJ
New Mexico N.M.NM
New York N.Y.NY
North Carolina N.C.NC
North Dakota N.D.ND
Northern Marianas MP
Ohio OhioOH
Oklahoma Okla.OK
Oregon Ore.OR
Palau PW
Pennsylvania Pa.PA
Puerto Rico P.R.PR
Rhode Island R.I.RI
South Carolina S.C.SC
South Dakota S.D.SD
Tennessee Tenn.TN
Texas Tex.TX
Utah UtahUT
Vermont Vt.VT
Virginia Va.VA
Virgin IslandsV.I.VI
Washington Wash.WA
West Virginia W.Va.WV
Wisconsin Wis.WI
Wyoming Wyo.WY
 
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