How you receive a fax without owning one
Sending a fax and receiving one are different problems. To send a fax you do not need a fax number of your own at all, but receiving one means someone else has to be able to reach you on a number that behaves like a fax line, even though no physical machine sits behind it.
An online fax service solves that by giving you a fax number that exists as software. When the sender dials it and sends their fax, the service answers the call, decodes the fax signal, and turns the document into a PDF. That file lands in your email inbox once the transmission finishes.
From the sender's side, nothing looks unusual. They dial a number and hear the same tones a fax machine would produce. The difference is entirely on your end: a document arrives in your inbox for you to open, save, or print if you need a physical copy.
Why this suits a one-off fax
Most people in this situation need to receive a single fax. A number that exists for the purpose of receiving that one document suits that far better than buying or borrowing a physical machine to solve a problem you are unlikely to have again.
Setting up a temporary fax number
To receive a fax without owning one, you need a number the sender can dial into. An online fax service can issue you one on the spot, and everything that arrives on it lands in your email as a PDF.
What signing up involves
You give an email address, sometimes a mobile number, and the service allocates you a fax number straight away. There is no line to install and nothing to plug in.
- Choose an online fax service and sign up with your email address.
- The service allocates you a fax number, usually shown on screen right after you sign up.
- Pass that number to whoever needs to send you the fax.
- Watch your inbox. The fax arrives as a PDF attachment once it has been sent.
What it costs
Providers price this differently, and some let you receive faxes free for a trial period before asking for payment. Trial terms and monthly costs change from one provider to another and over time, so it is worth reading the service's own pricing page before you sign up.
How long the number stays active
A temporary number is usually only guaranteed for the length of a trial or a single billing period. Once that period ends, the service may release the number back to the pool, or it may ask you to subscribe to keep it. If you only need to receive one fax, check what happens to the number afterwards, and cancel promptly if you do not want the arrangement to continue.
The guides section has more detail on how free tiers and trial terms differ between services, if you want to weigh up more than one option before choosing.
What to tell the person sending you the fax
A temporary fax number only works for the person sending you a fax if you give it to them in a form they can actually dial. Passing on the number is the easy part; making sure they use it correctly is what stops the fax going astray.
The number itself
Write it out the way you would give any UK number, with the area code included. If the sender is dialling from abroad, they will need to add the international dialling prefix for the UK and drop the leading zero from your number, so it is worth checking this with them if they are not in the UK.
Tell them to type it carefully. A single wrong digit sends the fax to someone else, and neither of you will know that has happened unless the sender's confirmation page flags an error.
How long to wait
A fax transmission usually takes a few minutes once it starts. If the sender's line is busy or the connection drops, most online fax services will try again automatically, so there is no need to tell them to redial straight away.
Ask the sender to check whether their service gave them a transmission confirmation once the fax went through. That confirmation is the clearest sign the document actually reached your number.
If it does not turn up
Check your email inbox and your spam or junk folder before assuming anything has gone wrong. Faxes delivered to a temporary number usually arrive as a PDF attachment, and some email providers file an unfamiliar sender address there by default.
- Ask the sender to confirm they got a successful transmission confirmation.
- Double-check the number they used against the one you gave them, digit by digit
- Confirm your temporary number is still active, since these numbers usually run for a limited period.
- Ask the sender to try again if the confirmation shows a failure.
If none of that explains a missing fax, it is worth going back to whoever set you up with the number to check whether it is still working as expected.
Can you choose your own area code for a temporary fax number?
Some online fax services let you pick from a list of available area codes when you set up the number, others assign one automatically. This varies by service, so check the setup screen before you commit if the area code matters to whoever is sending you the fax.
Is a temporary fax number private, or can anyone send to it?
The number works like any fax number: anyone who has it can send to it. It is not searchable or public in the way a website is, but it is not restricted to a single sender either, so only give it to the people you actually want faxing you.
What happens to faxes sent to the number after a free trial ends?
Once a free trial or temporary allowance runs out, the number is usually deactivated or reassigned, and faxes sent after that point will not reach you. If you are still expecting something, it is worth confirming with the sender before the number expires.
Do you need to tell the sender anything special about a temporary fax number?
Give them the number in the same format you would give any fax number, including the UK dialling code if they are sending from abroad. It also helps to tell them roughly when the number will stop working, so they do not send a fax after it has expired.
What if a fax does not arrive after the sender says they have sent it?
Ask the sender to check their transmission confirmation, the receipt their fax service or machine produces showing whether the send succeeded. If their confirmation shows a failure, the number may have been mistyped or the temporary number may have already expired.