WhatsApp in the US
Use WhatsApp in the USA with your own number
Your chats, groups and number stay the same. The US eSIM only supplies the data.
How it works
WhatsApp is tied to your phone number, not to the SIM that provides your internet. When you add a US travel eSIM and use it for mobile data, WhatsApp keeps working with your European number — friends see the same name and number as always.
Keep your home SIM switched on for calls and texts if you want bank codes, but turn off data roaming on it. Set the US eSIM as your mobile data line. WhatsApp calls and messages then run over the US data.
Why travelers do it this way
Same number and groups
No new account, no lost chats, no telling everyone a new number.
No roaming data costs
Data runs over the US eSIM, so your home operator doesn't charge for data.
Bank codes still arrive
Your home line can still receive text messages if it stays switched on.
Common questions
Do I need to change anything in WhatsApp?
No. If WhatsApp asks to verify your number, choose 'not now' — your number hasn't changed.
Can I make WhatsApp calls?
Yes, WhatsApp voice and video calls use data from the US eSIM.
Can my home line get charged?
Receiving texts is usually free, but answering normal calls can cost money. Check your operator's roaming rates.
Want a real US number too?
Choose a Data + Calls plan for unlimited US calls and texts from a US number.