Can I send faxes to multiple numbers? XenVoice December 06, 2018 09:41 Updated Yes, you can send your faxes to 5 numbers at one go. Related articles How to create a Fax cover letter? How many faxes can I send at once? How to buy a fax number from XenFax? How to edit and sign a fax document? How do I know my fax has been sent?