6-K

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 October, 2024

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 principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

TELEFÔNICA BRASIL S.A.

Publicly-held Company

CNPJ/MF No. 02.558.157/0001-62 – NIRE 35.3.0015881-4

NOTICE TO THE MARKET

Telefônica Brasil S.A. (“Company”) (B3: VIVT3; NYSE: VIV), in continuity to the Notice of Shareholders published on July 22, 2024, hereby informs its shareholders and the market in general that, on October 01, 2024, its subsidiary Telefônica Cloud e Tecnologia do Brasil S.A. ("TCloud") signed the Closing Agreement and completed the acquisition of all quotas issued by IPNET Serviços em Nuvem e Desenvolvimento de Sistemas Ltda. ("IPNET") and IPNET USA, LLC ("IPNET USA"), for a value of up to R$230 million, subject to the achievement of operational and financial metrics.

The deal will expand TCloud's product portfolio and strengthen its professional and managed services, enabling its acceleration and growth. The investment also reinforces the Company's digital ecosystem in the B2B segment, advancing in innovative solutions.

São Paulo, October 2^nd^, 2024.

David Melcon Sanchez-Friera

CFO and Investor Relations Officer

Telefônica Brasil – Investor Relations

Email: ir.br@telefonica.com

https://ri.telefonica.com.br

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.