I think primarily in the west/southwest; I live in NC, and have lived in GA, and traveled the southeast, and I don't think I've ever seen a JitB.
*clicks link*
AAH! That is a frightening/disturbing picture....
*can't sleep, clown will eat me*
updates:
United States Locations:
Arizona 145 Locations North Carolina 28 Locations
California 847 Locations Oklahoma 2 Locations
Hawaii 29 Locations Oregon 43 Locations
Idaho 23 Locations South Carolina 22 Locations
Illinois 13 Locations Tennessee 27 Locations
Louisiana 20 Locations Texas 514 Locations
Missouri 49 Locations Utah 2 Locations
Nevada 64 Locations Washington 122 Locations
New Mexico 2 Locations