Central:1, IA, IL, MO, MN, WI
Central:2, IN, OH, MI, WV
Central:3, AL, AR, KY, LA, MS, TN
East:1, CT, MA, ME, NH, NJ, RI, VT
East:2, DE, MD, NC, PA, VA
East:3, FL, GA, SC, PR
West 1:1, AZ, CA
West 1:2, NV, UT
West 1:3, CO, NM, WY
West 2:1, ID, MT, ND, OR, SD, WA
West 2:2, KS, NE, OK, TX
West 2:3, AK, HI, PI.