Exhibit 3.371

State of Delaware

Secretary of State

Division of Corporations

Delivered 05:17 PM 02/06/2012

FILED 04:43 PM 02/06/2012

SRV 120128335 – 5105743 FILE

CERTIFICATE OF FORMATION

OF

OCEANIC TIME WARNER CABLE LLC

This Certificate of Formation of Oceanic Time Warner Cable LLC (the “Company”) is being executed by the undersigned for the purpose of forming a limited liability company pursuant to the Delaware Limited Liability Company Act.

1. The name of the Company is Oceanic Time Warner Cable LLC.

2. The address of the registered office of the Company in the State of Delaware is Corporation Trust Center, 1209 Orange Street, Wilmington, DE 19801. The name of the Company’s registered agent at such address is The Corporation Trust Company.

3. This Certificate of Formation shall be effective upon filing.

IN WITNESS WHEREOF, the undersigned, an authorized person of the Company, has executed this Certificate of Formation this 6th day of February, 2012.

/s/ Riina Tohvert

Riina Tohvert,

Authorized Person