United States securities and exchange commission logo August 26, 2022 David Morken Chief Executive Officer Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 Re: Bandwidth Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed on February 25, 2022 File No. 001-38285 Dear Mr. Morken: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Technology