North West
ID, MT, OR, WA, WY (Alaska)

 
Midwest
IA, IL, IN, MI, MN, ND, NE, OH, SD, WI

North East
CT, DC, DE, MA, MD, ME, NH, NJ, NY, PA, RI, VT

South West
AZ, CA, CO, NM, NV, UT (Hawaii)

South Central
AR, KS, LA, MO, OK, TX

South East
AL, FL, GA, KY, MS, NC, SC, TN, VA, WV