Region 1 - TX, OK

Region 2 - LA, MS, TN, AL, GA, FL, SC, NC

Region 3- AR, MO, IA, MN, WI, IL, IN, MI, OH, KY
 
Region 4 - WV, VA, MD, DE, NJ, CT, PA, NY, RI, MA, ME, NH, VT

Region 5 - MT, ND, SD, WY, CO, NE, KS, NM

Region 6 - CA, AZ, UT, NV, ID, OR, WA, AK, HI