Moving to Australia but keeping NZ number for 2FA

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krisnz

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#302856 28-Dec-2022 23:10

Hi all,

I'm going to be moving to Australia next year and trying to figure out the best way to keep my NZ number for around 6 months to ensure the 2FA texts still get thru to me for banks and other logins.

I currently have a 2Degrees Prepay plan and was considering getting an Australian eSim and retain the 2Degrees Sim card in my iPhone.

If I turn off the data roaming on the 2Degrees Sim card – would *receiving* TXT messages trigger the daily roaming charge or could i keep the number alive for a couple of months as i transition to the australian number.

Thanks!

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#3014849 28-Dec-2022 23:13

Use WiFi calling for the incoming SMS keep handset in flight mode and enable Wi-Fi

networkn

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#3014850 28-Dec-2022 23:20

I highly recommend using app-based MFA rather than SMS.

Handle9

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#3014852 28-Dec-2022 23:24

My wife and I have kept our NZ numbers for the last 4 1/2 years of living overseas. We ported them to skinny which requires I top up once a year to keep them active. $10 a year is cheap to keep them alive.

SMS is charged at nz rates. Only calls and data attract roaming charges.

Handle9

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#3014853 28-Dec-2022 23:25

networkn:
I highly recommend using app-based MFA rather than SMS.

Fine if you can do that but not all banks support app based TFA. Certainly the hillbilly TSB doesn’t.

Linux

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#3014854 28-Dec-2022 23:25

Handle9: My wife and I have kept our NZ numbers for the last 4 1/2 years of living overseas. We ported them to skinny which requires I top up once a year to keep them active. $10 a year is cheap to keep them alive.

Same as 2degrees but SparkNZ does not do SMS over WiFi calling

Handle9

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#3014855 28-Dec-2022 23:30

Linux:
Handle9: My wife and I have kept our NZ numbers for the last 4 1/2 years of living overseas. We ported them to skinny which requires I top up once a year to keep them active. $10 a year is cheap to keep them alive.

Same as 2degrees but SparkNZ does not do SMS over WiFi calling

Who cares about wifi calling in that situation? Receiving an sms is free.

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#3014856 28-Dec-2022 23:33

@handle9 Cause if someone calls your mobile number then you pay for the incoming call if all services go over WiFi calling then no roaming costs!

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#3014857 28-Dec-2022 23:45

Handle9:

Fine if you can do that but not all banks support app based TFA. Certainly the hillbilly TSB doesn’t.

I can speak for ANZ that overseas SMS is supported for Onlinecode however you need to contact them to set this up.

Most other companies who require SMS based TFA do support international numbers but if there is an app based option for 2FA I'd recommend this always over SMS. Only use SMS if there are absolutely no other options.

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Handle9

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#3014916 29-Dec-2022 06:16

Linux: @handle9 Cause if someone calls your mobile number then you pay for the incoming call if all services go over WiFi calling then no roaming costs!

OP was asking about SMS.

Handle9

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#3014917 29-Dec-2022 06:18

michaelmurfy:
Handle9:

Fine if you can do that but not all banks support app based TFA. Certainly the hillbilly TSB doesn’t.

I can speak for ANZ that overseas SMS is supported for Onlinecode however you need to contact them to set this up.

Most other companies who require SMS based TFA do support international numbers but if there is an app based option for 2FA I'd recommend this always over SMS. Only use SMS if there are absolutely no other options.

International numbers can be very hit and miss receiving these types of sms. They get blocked a fair bit as they are assumed to be spam I guess.

krisnz

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#3014918 29-Dec-2022 06:40

Handle9: My wife and I have kept our NZ numbers for the last 4 1/2 years of living overseas. We ported them to skinny which requires I top up once a year to keep them active. $10 a year is cheap to keep them alive.

SMS is charged at nz rates. Only calls and data attract roaming charges.

Thanks for this – I'm guessing that you just put the SIM in when you need to into a phone rather than my original plan of an eSIM and a Sim in the same phone as it's probably just too easy to clock up roaming charges.

I've converted most that I can to app based 2FA but the problem is the bank (Kiwibank) and probably some other logins that I was unaware were linked to my NZ sim.

Handle9

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#3014920 29-Dec-2022 07:30

krisnz:
Handle9: My wife and I have kept our NZ numbers for the last 4 1/2 years of living overseas. We ported them to skinny which requires I top up once a year to keep them active. $10 a year is cheap to keep them alive.

SMS is charged at nz rates. Only calls and data attract roaming charges.

Thanks for this – I'm guessing that you just put the SIM in when you need to into a phone rather than my original plan of an eSIM and a Sim in the same phone as it's probably just too easy to clock up roaming charges.

I've converted most that I can to app based 2FA but the problem is the bank (Kiwibank) and probably some other logins that I was unaware were linked to my NZ sim.

It’s prepay so you don’t get roaming charges. I don’t answer or make phone calls to Nz and roaming data is disabled. If it did it just exhausts the $5 credit I maintain on it then you don’t accumulate any more charges. That doesn’t stop me getting SMS.

My wife has her UAE esim and nz Sim in her phone at all times. It works well.

DeroyBoy

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#3014946 29-Dec-2022 09:44

When I moved to Australia this year I had my number on 2degrees prepaid.
I found if you do not have an active NZ prepaid plan running then I could not receive sms in Australia unless I connected to wifi calling. So when not near wifi I could not receive sms.

It seems with the $8 a day roaming that you can not roam at all if you do not have an active plan running.

On a trip back to NZ I changed the number over to Skinny and now receive sms without any issues.

nztim

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#3014958 29-Dec-2022 10:56

michaelmurfy:

Most other companies who require SMS based TFA do support international numbers but if there is an app based option for 2FA I'd recommend this always over SMS. Only use SMS if there are absolutely no other options.

There shouldn't be no other option, banks are really behind the 8 ball here

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#3015089 29-Dec-2022 13:53

nztim:

There shouldn't be no other option, banks are really behind the 8 ball here

Banks here are on a different table in a different bar for innovation.

Friend I know who is in au just has a dedicated crap phone for their NZ sim that they use for 2 factor. They had an app that would get the sms and then send it to their other phone, but that stopped working a few years back so they just get the phone when needed.

Richard rich.ms

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