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: 001-09531 Telefónica, S.A. (Translation of registrant's name into English) Distrito Telefónica, Ronda de la Comunicación s/n, 28050 Madrid, Spain +34 91-482 87 00 (Address of principal executive offices) Indicate by check mark whether the registrant files or will file ...

Table of Contents As filed with the Securities and Exchange Commission on February 23, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ____________________________________ FORM 20-F (Mark One) o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF T ...

Telefónica S.A. Telefónica Individual Annual Report 2022 This version of our report is a free translation of the original, which was prepared in Spanish. All possible care has been taken to ensure that the translation is an accurate representation of the original. However, n all matters of interpretation of information, views or opinions, the original language version of our report takes precedence over this translation. Independent auditor's report on the annual accounts To the shareholders of Telefónica, ...

Telefonica SA (NYSE:TEF) Q4 2022 Earnings Conference Call February 23, 2023 4:00 AM ET Company Participants Adrián Zunzunegui - Global Director, Investor Relations Jose María Alvarez-Pallete - CEO & Executive Chairman Angel Vila - COO & Executive Director Lutz Schüler - CEO, Virgin Media O2 Laura Abasolo - Chief Financial and Control Officer & Head, Hispanoamerica Conference Call Participants Yemi Falana - Goldman Sachs Group David Wright - Bank of America Merrill Lynch Carl Murdock-Smith - Berenberg Georgi ...

Telefonica SA (NYSE:TEF) Q3 2022 Results Conference Call November 4, 2022 5:00 AM ET Company Participants Adrian Zunzunegui - Investor Relations Angel Vila - Chief Operating Officer Laura Abasolo - Chief Financial and Control Officer & Head of T. Hispam Eduardo Navarro - Chief Corporate Affairs & Sustainability Officer, Telefónica S.A. Lutz Schuler - CEO Virgin Media O2 Conference Call Participants Yemi Falana - Goldman Sachs Pilar Vico - Credit Suisse David Wright - Bank of America Luigi Minerva - HSBC Mat ...

Table of Contents 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 September 2022 Commission file number: 001-09531 TELEFÓNICA, S.A. (Translation of registrant's name into English) Distrito Telefónica, Ronda de la Comunicación, s/n 28050 Madrid, Spain +34 91 482 87 00 (Address of principal executive offices) Indicat ...

Telefonica SA (NYSE:TEF) Q2 2022 Earnings Conference Call July 28, 2022 4:00 AM ET Company Participants Jose MarÃa Alvarez-Pallete - CEO & Executive Chairman Angel Boix - COO & Executive Director Laura Abasolo - Chief Financial and Control Officer Adrián Zunzunegui - Global Director, Investor Relations Lutz Schuler - Virgin Media Conference Call Participants Pilar Vico - Crédit Suisse Joshua Mills - BNP Paribas Exane David Wright - Bank of America Merrill Lynch Nawar Cristini - Morgan Stanley Operator Good ...

Telefónica, S.A. (NYSE:TEF) Q1 2022 Earnings Conference Call May 12, 2022 4:00 AM ET Company Participants Adrián Zunzunegui - Global Director of Investor Relations Ãngel Vilá Boix - Chief Operating Officer Laura Abasolo - Chief Financial and Control Officer & Head of T. Hispam Eduardo Navarro - Chief Corporate Affairs & Sustainability Officer Lutz Schüler - CEO, Virgin Media O2 Conference Call Participants Mathieu Robilliard - Barclays David Wright - Bank of America Fernando Cordero Barreira - Banco Santand ...

| --- | --- | --- | |-------|-------|-------| | | | | | | | | Disclaimer This document and any related conference call or webcast (including any related Q&A session) may contain forward-looking statements and information (hereinafter, the "Statements") relating to the Telefónica Group (hereinafter, the "Company" or "Telefónica"). These Statements may include financial forecasts and estimates or statements regarding plans, objectives and expectations regarding matters, such as the customer base and its evolu ...

Table of Contents As filed with the Securities and Exchange Commission on February 25, 2022 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ____________________________________ FORM 20-F (Mark One) o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF T ...