UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2023 Commission File Number: 001-14475 TELEFÔNICA BRASIL S.A. (Exact name of registrant as specified in its charter) TELEFONICA BRAZIL S.A. (Translation of registrant’s name into English) Av. Eng° Luís Carlos Berrini, 1376 - 28º andar São Paulo, S.P. Federative Republic of Brazil (Address of princ ...