Keep your number
Use the eSIM for data while your home SIM handles calls/SMS if needed — with home roaming off.
FAQ
Is eSIM always cheaper?
Often for data-heavy trips — compare your carrier day rates to Layer 9 plan prices.
FAQ
Is a travel eSIM cheaper than carrier roaming?
Carrier roaming can be convenient and expensive. A travel eSIM locks in data cost before you land.