I still had 2G in Wellington and the Wairarapa until today. Maybe your local site did.
You know Spark/Skinny isn't 2G? Only Vodafone is now
My alarm company said either they had shut down some parts early or there was a problem. I know my alarm can't communicate with the monitoring center reliably over cell, but falls back to wired network.
Do I have to get a specific kind of SIM for the alarm? The one in there now is just a standard 2degrees SIM I bought myself and put in a few years ago. I was surprised it was only 2G.