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- Midwest (MDW), U.S. = IA, IL, IN, KS, KY, MI, MN, MO, ND, NE, OH, SD, WI
- Northeast (NOE), U.S. = CT, DC, DE, MA, MD, ME, NH, NJ, NY, PA, RI , VT, WV
- Northwest (NOW), U.S. = AK, ID, MT, OR, WA, WY
- Southcentral (SOC), U.S. = AR, LA, OK, TX
- Southeast (SOE), U.S. = AL, FL, GA, MS, NC, SC, TN, VA
- Southwest (SOW), U.S. = AZ, CA, CO, HI, NM, NV, UT