What is my fax number?

If you use a physical fax machine, your fax number is the phone number of the landline plugged into the back of the machine. If you use an online fax service like mFax, your number is displayed in your account dashboard under Settings > Numbers.

Does every printer have a fax number?

No. A printer only has a fax number if it is a multifunction printer with a fax module AND it is connected to an active telephone wall jack. A printer plugged only into power and Wi-Fi cannot receive faxes unless you use an online fax service.

How do I find my fax number on a Brother printer?

Press Menu on your Brother printer, then navigate to Initial Setup > Station ID > Fax. The number displayed is your fax number — it is the same as the phone number of the line connected to the machine.

How do I find my fax number on an HP printer?

Press the Setup or Wrench icon on your HP printer's control panel, then go to Fax Setup > Basic Fax Setup > Fax Header. Your fax number will be listed under "Your Fax Number" if it was entered during setup.

Can I change my fax number?

On a physical fax machine, you cannot change the fax number itself — it is tied to the phone line, not the printer. To get a different number, you need a different phone line. With an online service like [mFax](https://mfax.to), you can get a new local or toll-free number instantly from the dashboard.

How to Find Your Fax Number (4 Methods That Work)

Not sure what your fax number is? Here is how to find it on any setup — HP, Brother, Canon, or Epson printer, or an online fax account — in under two minutes.

Frequently Asked Questions

What is my fax number?: If you use a physical fax machine, your fax number is the phone number of the landline plugged into the back of the machine. If you use an online fax service like mFax, your number is displayed in your account dashboard under Settings > Numbers.
Does every printer have a fax number?: No. A printer only has a fax number if it is a multifunction printer with a fax module AND it is connected to an active telephone wall jack. A printer plugged only into power and Wi-Fi cannot receive faxes unless you use an online fax service.
How do I find my fax number on a Brother printer?: Press Menu on your Brother printer, then navigate to Initial Setup > Station ID > Fax. The number displayed is your fax number — it is the same as the phone number of the line connected to the machine.
How do I find my fax number on an HP printer?: Press the Setup or Wrench icon on your HP printer's control panel, then go to Fax Setup > Basic Fax Setup > Fax Header. Your fax number will be listed under "Your Fax Number" if it was entered during setup.
Can I change my fax number?: On a physical fax machine, you cannot change the fax number itself — it is tied to the phone line, not the printer. To get a different number, you need a different phone line. With an online service like [mFax](https://mfax.to), you can get a new local or toll-free number instantly from the dashboard.