Specialized Customer Service Unit

If you require attention regarding a clarification or register a complaint about an operation or service received, please enter your contact information and write your comments in the section. We will contact you shortly.

Clarification center and customer service:

800-226-22622 / (81) 8151-23-83

Office hours: Monday to Friday 8:00 a.m. to 6:00 p.m.

Email: UNE@bancobase.com

CONDUSEF (National Commission for the Protection and Defense of Users of Financial Services)

In case of doubts, complaints, claims or consult information about the commissions for computer and comparison purposes, you may go directly to the CONDUSEF offices located at Insurgentes Sur No. 762, Colonia del Valle, Delegación Benito Juárez, Postal Code 03100, Mexico, Federal District, telephone 01-200-999-8080 and 5340-0999, or consult the website www.condusef.gob.mx