Using your regular phone number on vacation is expensive …
The second you’re out of the country, you’re going to start paying a lot more for each call and text because your phone has to ‘roam.’
Even if you toggle off Data Roaming, a single phone call or text could trigger a high daily usage rate from your carrier.
You can save money by toggling off your primary SIM when you travel and using an eSIM for data. But what about calling and texting?