Comerica Bank (now Fifth Third) official phone number
Find the official Comerica Bank (now Fifth Third) phone number listed for Fifth Third customer service for former Comerica customers. Confirm the company's source page before sharing information or starting a call.
Public U.S. number listed on the source
1-800-972-3030
This number was visible on the linked official source when it was checked on October 17, 2026. Phone numbers and departments can change, so use the source link below to confirm it before calling. A source check cannot establish who is calling you.
Open Comerica Bank (now Fifth Third) official sourceSource and department details
- Department or route
- Fifth Third customer service for former Comerica customers
- Source checked
- October 17, 2026
- Latest listing review
- October 17, 2026 — phone confirmed on the official source.
Evidence from the official source
Customer-service page: “Call us” 800-972-3030. Mon.–Fri., 8 a.m.–8 p.m. ET; Sat., 8 a.m.–5 p.m. ET; Closed Sunday. Official September 8, 2026 release confirms completed Comerica conversion: https://www.53.com/content/fifth-third/en/media-center/press-releases/2026/press-release-2026-09-08.html
Comerica accounts and branches transitioned to Fifth Third in September 2026. Use Fifth Third customer service; business and commercial accounts have separate support lines on the official page.
SafePhonebook is an independent directory and is not affiliated with Comerica Bank (now Fifth Third). We do not guarantee a number, a caller's identity, or an outcome from contacting a company.