Ohio Rev. Code § 4719.21: Blocking telephone solicitor's number prohibited.

(A) As used in this section, "telephone solicitation" and "telephone solicitor" have the same meanings as in division (A) of section 4719.01 of the Revised Code.

(B) No telephone solicitor shall intentionally block or intentionally authorize or cause to be blocked the disclosure of the telephone number from which a telephone solicitation is made.

(C) A violation of division (B) of this section is an unfair or deceptive act or practice in violation of section 1345.02 of the Revised Code. A person injured by a violation of division (B) of this section has a cause of action and is entitled to the same relief available to a consumer under section 1345.09 of the Revised Code, and all powers and remedies available to the attorney general to enforce sections 1345.01 to 1345.13 of the Revised Code are available to the attorney general to enforce division (B) of this section.