Does a single CoreESIM plan maintain functionality when flying between Australia and New Zealand?

Yes, CoreESIM's Oceania regional bundles are configured to provide continuous data service across both Australia and New Zealand. This means you can seamlessly transition between countries, for example, on a flight from Sydney to Auckland or Melbourne to Queenstown, without needing to swap eSIM profiles or reconfigure network settings. Your device will automatically acquire signal from CoreESIM's partner carriers in each respective nation, ensuring uninterrupted connectivity upon arrival.