You can contact Azimo customer service via email to hello@azimo.com and support@azimo.com for queries about Azimo fees, limits, and transfers etc. The working hours of their customer service team are from Monday - Friday, 9:00 - 17:00 UK time.
You can also contact them by sending a message through your account. There is no Azimo contact number for individual users, but Azimo business users have access to dedicated business account managers via phone, email, and Azimo live chat support.