Of the 50 states:
- 19 states are abbreviated by their first two letters:
- , CO---, DE---, FL, ID, IL, IN, MA, MI, NE, OH, OK, OR, UT, WA, WI, WY
- 15 state abbreviations are the first and last letter in a state's name:
- , CO---, CT, DE---, GA, HI, IA, KS, KY, LA, MD, ME, PA, VA, VT
- 10 two-word states are abbreviated by the first letter of each word:
:NC, ND, NH, NJ, NM, NY, RI, SC, SD, WV
- The second letter for 9 states is from elsewhere in the name, often the second consonant:
:AK, AZ, MN, MO, MS, MT, NV, TN, TX
- three states (CA---, CO---, DE---) are same for first two letters and first and last letters.''
Postal codes (not by state)
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