美洲移动美股招股说明书(2025-06-16版)

This prospectus supplement relates to an effective registration statement under the U.S. Securities Act of1933, as amended, but is not complete and may be changed. This prospectus supplement and theaccompanying prospectus are not an offer to sell these securities and are not soliciting an offer to buy thesesecurities in any jurisdiction where the offer or sale is not permitted. Filed Pursuant to Rule424(b)(2)Registration No. 333-287731 Subject to Completion, dated June16, 2025 PROSPECTUS SUPPLEMENT(To Prospectus Dated June2, 2025) América Móvil, S.A.B. de C.V. U.S.$% Senior Notes due 2033 We are offering U.S.$aggregate principal amount of our% senior notes due 2033 (the “notes”).We will pay interest on the notes onandof each year, beginning on, 2026. The notes will mature on, 2033. The notes will rank equally in right of payment with all of our other unsecured and unsubordinated debt obligations from time totime outstanding. The notes will not be guaranteed by any of our subsidiaries. In the event of certain changes in the applicable rate of Mexican withholding taxes on interest, we may redeem the outstandingnotes, in whole but not in part, at a price equal to 100% of their principal amount plus accrued and unpaid interest thereon to theredemption date. Prior to, 2032 (the date that ismonths prior to the stated maturity of the notes, the “par call date”), wemay, at our option, redeem the notes, in whole at any time or in part from time to time, at a redemption price equal to the greater of theprincipal amount of the notes to be redeemed and a “make-whole” amount. On or after the par call date, we may, at our option, redeemthe notes, in whole at any time or in part from time to time, at a redemption price equal to 100% of the principal amount thereof. See“Description of Notes—Optional Redemption” in this prospectus supplement. We will apply to list the notes on the New York Stock Exchange (the “NYSE”). (1)Plus accrued interest, if any, from, 2025.(2)Before deducting expenses payable by us related to this offering. THE NOTES HAVE NOT BEEN, AND WILL NOT BE, REGISTERED WITH THE NATIONAL SECURITIESREGISTRY (REGISTRO NACIONAL DE VALORES, OR THE “RNV”) MAINTAINED BY THE MEXICAN NATIONALBANKING AND SECURITIES COMMISSION (COMISIÓN NACIONAL BANCARIA Y DE VALORES, OR THE “CNBV”),AND MAY NOT BE OFFERED PUBLICLY IN MEXICO. HOWEVER, WE EXPECT THAT THE NOTES WILL BEREGISTERED WITH THE INTERNATIONAL QUOTATION SYSTEM (SISTEMA INTERNACIONAL DE COTIZACIONES)MAINTAINED BY THE MEXICAN STOCK EXCHANGE (BOLSA MEXICANA DE VALORES, S.A.B. DE C.V.) AS SOON ASPRACTICABLE AFTER 90 DAYS FOLLOWING THE INITIAL OFFERING OF THE NOTES, WE WILL NOTIFY THECNBV OF THEOFFERING OF THE NOTES OUTSIDE OF MEXICO FOR INFORMATION AND STATISTICALPURPOSES ONLY, AND THE DELIVERY OF SUCH NOTICE TO, AND THE RECEIPT THEREOF BY, THE CNBV ISNOT A REQUIREMENT FOR THE VALIDITY OF THE NOTES AND DOES NOT IMPLY ANY CERTIFICATION AS TOTHE INVESTMENT QUALITY OF THE NOTES, OUR SOLVENCY, LIQUIDITY OR CREDIT QUALITY OR THEACCURACY OR COMPLETENESS OF THE INFORMATION SET FORTH HEREIN. THE INFORMATION CONTAINEDINTHIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS IS EXCLUSIVELY OURRESPONSIBILITY AND HAVE NOT BEEN REVIEWED OR AUTHORIZED BY THE CNBV. THE ACQUISITION OF THENOTES BY AN INVESTOR WHO IS A RESIDENT OF MEXICO WILL BE MADE UNDER SUCH INVESTOR’S OWNRESPONSIBILITY. None of the CNBV, the U.S. Securities and Exchange Commission (the “SEC”) or any U.S. state or foreign securitiescommission has approved or disapproved of these securities or determined if this prospectus supplement or the accompanyingprospectus is truthful or complete. Any representation to the contrary is a criminal offense. Delivery of the notes will be made in book-entry form through The Depository Trust Company (“DTC”) on or about2025. TABLE OF CONTENTS Prospectus Supplement PageProspectus Supplement SummaryS-1Presentation of Financial InformationS-5Incorporation of Certain Information by ReferenceS-6Risk FactorsS-7Use of ProceedsS-8CapitalizationS-9Description of NotesS-11Tax ConsiderationsS-15UnderwritingS-16Validity of NotesS-21ExpertsS-21 About this Prospectus1Forward-Looking Statements2América Móvil3Risk Factors4Use of Proceeds5Description of Debt Securities6Description of Warrants18Formof Debt Securities, Clearing and Settlement19Taxation24Selling Holders30Plan of Distribution31Experts34Validity of Securities35Enforceability of Civil Liabilities36Where You Can Find More Information37Incorporation of Certain Information by Reference38 TABLE OF CONTENTS PROSPECTUS SUPPLEMENT SUMMARY This summary highlights key information described in greater detail in this prospectus supplement or theaccompanying prospectus, including the documents incorporated by reference herein and therein. You should readcarefully this entire prospectus supplement, the accompanying prospectus and the documents incorporated byreference herein and therein before making an investment decision. América