U.S. States and TerritoriesTwo-Letter Abbreviation
AlabamaAL
AlaskaAK
American SamoaAS
ArizonaAZ
ArkansasAR
CaliforniaCA
ColoradoCO
ConnecticutCT
DelawareDE
District of ColumbiaDC
Federated States of MicronesiaFM
FloridaFL
GeorgiaGA
GuamGU
HawaiiHI
IdahoID
IllinoisIL
IndianaIN
IowaIA
KansasKS
KentuckyKY
Louisiana LA
Maine ME
Marshall Islands MH
Maryland MD
Massachusetts MA
MichiganMI
MinnesotaMN
MississippiMS
MissouriMO
MontanaMT
Nebraska NE
NevadaNV
New Hampshire NH
New Jersey NJ
New MexicoNM
New York NY
North CarolinaNC
North DakotaND
Northern Mariana IslandsMP
OhioOH
OklahomaOK
OregonOR
PalauPW
Pennsylvania PA
Puerto RicoPR
Rhode IslandRI
South CarolinaSC
South DakotaSD
TennesseeTN
TexasTX
UtahUT
VermontVT
Virgin IslandsVI
VirginiaVA
WashingtonWA
West Virginia WV
Wisconsin WI
Wyoming WY

From: Appendix E, Two-Letter Abbreviations for Canadian Provinces and Territories and U.S. States and Territories

Cover of Citing Medicine
Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition.
Patrias K, author; Wendling D, editor.
Bethesda (MD): National Library of Medicine (US); 2007-.

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