list of the two-letter shortcodes for each state in the United States:
- Alabama: AL
- Alaska: AK
- Arizona: AZ
- Arkansas: AR
- California: CA
- Colorado: CO
- Connecticut: CT
- Delaware: DE
- Florida: FL
- Georgia: GA
- Hawaii: HI
- Idaho: ID
- Illinois: IL
- Indiana: IN
- Iowa: IA
- Kansas: KS
- Kentucky: KY
- Louisiana: LA
- Maine: ME
- 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
- Ohio: OH
- Oklahoma: OK
- Oregon: OR
- Pennsylvania: PA
- Rhode Island: RI
- South Carolina: SC
- South Dakota: SD
- Tennessee: TN
- Texas: TX
- Utah: UT
- Vermont: VT
- Virginia: VA
- Washington: WA
- West Virginia: WV
- Wisconsin: WI
- Wyoming: WY