The USDF (United States Dressage Federation) events calendar provides event information by dividing the country into nine regions.
Region 1 covers the following states:
• Delaware
• District of Columbia
• Maryland
• North Carolina
• New Jersey
• Pennsylvania
• Virginia
• Eastern West Virginia (Morgan, Berkely and Jefferson Counties)
Region 2 covers the following states:
• Illinois
• Indiana
• Kentucky
• Ohio
• Wisconsin
• West Virginia (Except Morgan, Berkely and Jefferson Counties)
Region 3 covers the following states:
• Alabama
• Florida
• Georgia
• South Carolina
• Tennessee
Region 4 covers the following states:
• Iowa
• Kansas
• Minnesota
• Missouri
• Nebraska
• North Dakota
• South Dakota
Region 5 covers the following states:
• Arizona
• Colorado
• East Montana (zip codes 59000-53999 &59500-59599)
• New Mexico
• Utah
• Wyoming
• West Texas (zip codes 79800-99999)
Region 6 covers the following states:
• Alaska
• Idaho
• West Montana (zip codes 00000 to58999-59499 & 59600-59999
• Oregon
• Washington
Region 7 covers the following states:
• California
• Nevada
• Hawaii
Region 8 covers the following states:
• Connecticut
• Maine
• Massachusetts
• New Hampshire
• New York
• Rhode Island
• Vermont
Region 9 covers the following states:
• Arkansas
• Louisiana
• Mississippi
• Oklahoma
• Texas (except West Texas zip codes 80000-99999)