Do you have an alphabetical list of the two-letter U.S. state, possession, and territory codes used on this website?

Yes. Please see the following lists (U.S. possessions and territories are at the bottom):

STATE ABBREVIATIONS

AK-Alaska

AL-Alabama

AR-Arkansas

AZ-Arizona

CA-California

CO-Colorado

CT-Connecticut

DC-District of Columbia

DE-Delaware

FL-Florida

GA-Georgia

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

NE-Nebraska

NC-North Carolina

ND-North Dakota

NH-New Hampshire

NJ-New Jersey

NM-New Mexico

NY-New York

NV-Nevada

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

____________________________________________

US POSSESSION/TERRITORY ABBREVIATIONS

AS-American Samoa

GU-Guam

MH-Marshall Islands (includes Kwajalein Atoll)

PR-Puerto Rico

UM-Wake Island