8/F CHINA HONG KONG TWR, 8-12 HENNESSY RD, Wan Chai, Hong Kong

The app says ‘Invalid Number’.

The app says ‘Invalid Number’.

Always include the correct country code (e.g., +1 for US, +44 for UK). Re-enter the number in international format before redialing.

Related QNAs

I entered the wrong email during signup what do i do

No worries — our team can fix that for you.

  • Send an email to support@callmama.com with:
    • Your registered phone number
    • The correct email address you want to use

 We’ll manually update your account in a few hours.

Why is my invoice not showing?

Invoices are generated automatically but can take a few minutes. Refresh the “Billing History” section or re-login to view recent transactions.

What are your feelings

Was this helpful?

Affordable Calls, Global Reach

Download the Callmama App Now!

help and support apple button
help and support android button
  • Products
  • Features
  • Numbers
  • Tools
  • Resources