How to add or port an existing phone number
You have two ways to get a fax number on AvoFax: get a brand new number, or bring (port) a number you already use somewhere else.
Option A. Get a brand new number
- New customers pick a number during signup.
- Already have an account and want another number? Open Phone Numbers and add one.
- Additional numbers are a small monthly add on per number.
Option B. Bring your existing number (porting)
You can keep the number you already give out. Here is how it works.
If you are brand new:
- Start your signup on the porting page.
- You are given a temporary number right away so you can send and receive immediately.
- Fill out the port request. When the transfer completes, your real number automatically replaces the temporary one.
If you already have an account:
- Go to Phone Numbers.
- Choose Port a number and complete the port request form.
What you need for the port request (have these ready so it goes through on the first try):
- The exact phone number you want to bring over.
- The name of your current fax provider.
- Your account number and account PIN or passcode with that provider.
- The billing phone number and service address on that account.
- A recent bill or invoice from that provider (PDF or photo, under 1 MB).
How long it takes
- Most ports complete in 1 to 3 business days.
- You keep sending and receiving on your temporary number the whole time, so there is no downtime.
- When the port finishes, the temporary number is swapped out for your real number automatically. You do not need to do anything else.
Tip: keep your current fax service active until the port is confirmed complete. Do not cancel it early, or the transfer can be rejected.
Updated on: 01/06/2026
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