Airtasker does not allow you to share any private contact details in any public areas of the site, in order to protect your safety and security. This means you won't be able to post comments or attachments on tasks or your profile that contain your phone number or email address.
Other private details that are not supported in public posts include full names, addresses, 3rd party links to other websites (such as business, personal or portfolio sites), business names and social media handles.
This is for the purpose of your safety and privacy and to prevent spam.
For more information please read our Community Guidelines.