The Federal Trade Commission runs the USA “do not call” registry. Sign up to reduce marketing calls to your phone: https://donotcall.gov/ To find information (FAQ = frequently asked questions), this site has a nice clear description: https://www.consumer.ftc.gov/articles/0108-national-do-not-call-registry. It might be easy to be cynical about the usefulness of such a registry for honest telemarketers, since […]
Your rights are not the same at the border as inside the USA. Remember CBP agents are doing their job as well as they can, in an environment where rules are still being created on the fly. No benefit in annoying them.