Form 8-A12B Lumen Technologies, Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR (g) OF

THE SECURITIES EXCHANGE ACT OF 1934

Lumen Technologies, Inc.

(Exact name of registrant as specified in its charter)

(318) 388-9000

(Telephone number, including area code)

Qwest Corporation

(Exact name of registrant as specified in its charter)

(318) 388-9000

(Telephone number, including area code)

Securities to be registered pursuant to Section 12(b) of the Act:

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ☒

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ☐

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐

Securities Act registration statement or Regulation A offering statement file number to which this form relates:

333-295091 and 333-295091-01

Securities to be registered pursuant to Section 12(g) of the Act:

None

INFORMATION REQUIRED IN REGISTRATION STATEMENT

Lumen Technologies, Inc. (“Lumen”) and Qwest Corporation (“Qwest”) on this registration statement have filed with the Securities and Exchange Commission (the “SEC”) pursuant to Rule 424(b) under the Securities Act of 1933, as amended, a prospectus, dated May 22, 2026 (the “Prospectus”), contained in the effective Registration Statement on Form S-4 (File. No. 333-295091 and 333-295091-01), initially filed with the SEC on April 16, 2026, as amended by Post-Effective Amendment No. 1 thereto, filed with the SEC on May 20, 2026. The Prospectus relates to the offering of, among other securities, (a) $515,297,925 of 6.500% Notes due 2051, in denominations of $25, and (b) $381,528,000 of 6.750% Notes due 2052, in denominations of $25, issued by Qwest, and guarantees thereof by Lumen.

For a description of the securities to be registered hereunder, reference is made to the information set forth under the heading “Description of New Quest Notes” in the Prospectus, which descriptions are incorporated by reference herein.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Lumen Technologies, Inc. and Qwest Corporation have duly caused this Current Report to be signed on their behalf by the undersigned officer hereunto duly authorized.

Dated: June 11, 2026