North American residents can call 1-833-757-1746, while those outside North America can dial 1-801-341-0764. 19 juin 2023 ยท How Can You Stop Receiving Calls From Dynata? Dynata allows you to opt out of their research if you are constantly annoyed by their calls or don't want to participate in their surveys. You have to let them know you don't like to be contacted, and your number will be added to their no-contact list.