The Northeastern Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Connecticut, Delaware, District of Columbia, Maryland, New Jersey, Pennsylvania, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont; the Canadian provinces of Newfoundland, Nova Scotia, Prince Edward Island, New Brunswick, and Quebec; members in the Federal Services; and foreign countries not specifically cited.

The Southeastern Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia and the Commonwealth of Puerto Rico.

The North Central Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Manitoba, Ontario, Nebraska, Iowa, Minnesota, Ohio, Indiana, Michigan, North Dakota, South Dakota, Illinois, Wisconsin.

The Western Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Alaska, Arizona, California, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, and the Canadian provinces of Saskatchewan, Alberta, British Columbia, Northwest Territories, Nunavut, and Yukon Territory.

The Southwestern Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Colorado, Kansas, Missouri, New Mexico, Oklahoma, Arkansas, Louisiana, Texas and Mexico.