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Home > Services > Number Portability
>>  Number Portability - TFax/VoIPServices/Link.A.Number functionalities on your existing number

Number Portability

TNZ Group can port your existing telephone numbers to our data center which simply means we 'take over' your number and handle the calls for you.
The telephone number will be moved from your existing telephone supplier to us.

TNZ Group has hundreds of lines to receive calls and faxes for you, which means your callers will never hear a busy or engaged tone!

Frequenty Asked Questions

How much does it cost to move my telephone/fax number to TNZ Group?
There is a one time Set Up Fee of $40.00 (plus GST) per number that is ported.
You then pay the standard service costs per month.

How long will the number port take?
When we load the number port with your existing telephone number supplier, we can request the date that the port should occur.
At a minimum, a number port will be scheduled for three to four working days. You do have the option to specify a date that suits you, but this is a best effort.
On the date of the port, the number will be out of action for up to four hours while the number is moved across (however this will typically complete within one hour with only a few seconds of outage).

I don't live in a main city in New Zealand or Australia. Can you still port my number?
Yes, we can port numbers from any local area in New Zealand.
Some locations in Australia are unsupported, so check with us for details.

I have a physical telephone line with a telephone or fax machine connected to it. What happens to those when the number is ported?
If you have a normal POTS telephone line, the telephone line will be disconnected once the number porting completes (on the day of the port). The physical copper wiring will stay there, but the services on the line will be removed. This means any connected equipment will no longer be able to use the telephone line, so will need to be moved to another telephone line (ie a voice line) or upgraded to an Internet (IP) capable device. This also applies to ADSL or Internet circuits that are using your physical telephone line, as these will need to be moved to an alternative line to avoid being disconnected.
If you have a more advanced BRI or PRI (ISDN) telephone line, in most cases just the required telephone number will be removed from the service and the other numbers and physical lines will stay the same. Check with us for confirmation and details for your specific set up.

I want to port my fax number, but it is set up as a Faxability number. How does this work?
If you are looking to port a Faxability number, we need to take a few extra steps to ensure that the Main Number (the number that the Faxability number is connected to) isn't affected by the port.
Usually, this would involve setting up a Customerlink to one of our fax numbers, which means your Faxability number will be disassociated with your Main Number.
Please ensure that you note "Faxability number" in the appropriate section on the number porting form.

Download and complete the Number Portability Form to get started:

If you have any questions, don't hesitate to get in touch.