You land in a new country every few months. A new SIM, a new apartment Wi-Fi, maybe a new time zone. The one thing that should not change is the number your bank, your clients and your family have for you. Here is a phone setup that keeps it that way.
Why does a nomad phone setup need two layers?
Because a phone number and an internet connection are two different things, and nomads need them to change at different speeds.
- Data has to be local. You get it from a SIM, an eSIM or Wi-Fi in each place.
- Your number has to stay put. It sits on bank accounts, app sign-ins, invoices and family contact lists, and changing it every few months means updating all of them.
The setup below separates the two. Data comes from wherever you are. The number comes from an app that rides on that data.
Where does your data come from in each country?
You have three ways to get online:
- A local SIM. Bought in the country, often with a local number too. Useful when you stay for months.
- A travel data eSIM. Installed before you land, so you are online at the airport. Most travel eSIMs are data only and do not include a phone number, as our eSIM explainer shows.
- Wi-Fi. At your apartment, a coworking space or a café. Good for calls when the connection is steady.
Any of the three works for the app. If your phone takes two SIMs (a SIM card and an eSIM), you can keep your home SIM in one slot for its own codes and calls, and put local data in the other.
How does one US number in an app work?
The TripoSIM US Virtual Number is a +1 number that lives in the TripoSIM app, not on a SIM. On iPhone, add the TripoSIM web app to your Home Screen. On Android, install the TripoSIM app. Because it runs over the internet, it does not care which SIM is in the phone. Swap SIMs at the border, and the number keeps working once you are back online.
With it you get:
- calls from anyone who dials your US number, included up to a fair use of 300 minutes a month
- 300 minutes a month of calls out to US and Canadian numbers
- voicemail when you are offline: messages up to 2 minutes, up to 30 a month, kept 30 days
- texts from US and Canadian senders, including verification codes
Sending texts is not included, and the number cannot call 911 or any emergency number. It is a phone number, not a data plan.
What does the setup look like on one phone?
| Part | What it does | Changes when you move? |
|---|---|---|
| Local SIM or travel data eSIM | Mobile data; a local SIM with a number also handles local calls | Yes, every country |
| Wi-Fi | Internet for calls at home or at work | Yes, every place you stay |
| TripoSIM app with your US number | Calls, voicemail, US texts and verification codes | No |
| Home SIM, if you keep one | Codes and calls sent to your old number | No, but roaming terms apply |
If you keep a home SIM, check your home carrier’s roaming terms for texts and calls abroad.
What happens to verification codes when you move?
Your number stays the same, so the codes keep coming to the same place. Codes go to your US number, not to the SIM in your phone, so they arrive in the app wherever you are online. The TripoSIM number receives verification codes (OTP SMS) from apps, including WhatsApp and WhatsApp Business. TripoSIM tested 22 apps from October 3 to 18, 2026, and the list gives examples, not a limit. Our verification codes guide has tips for getting each code quickly.
Two habits help on move days. Request a code only once you are connected, and add an authenticator app as a second sign-in method wherever an account offers one.
How many minutes does a nomad use?
Calls to you do not use your outgoing minutes. Only calls you make to US and Canadian numbers do. Each outgoing call is rounded up to the next full minute; unanswered calls are free.
| How you call | Minutes a month | Fits the 300 minutes? |
|---|---|---|
| 1 call a week to a bank or doctor, 15 minutes | about 65 (15 × 52 ÷ 12) | Yes |
| 3 calls a week to clients and family, 20 minutes each | about 260 | Yes |
| A call home every day, 15 minutes | about 455 | No: about 155 over, so 2 packs of 100 minutes at $5 each that month |
Top-up minutes are used after your monthly minutes, stay valid while your number is active and carry over when you renew. They are not refundable. Try your own pattern in the cost calculator.
What should you do on move day?
- Before you fly: install a data eSIM for the next country, or plan where to buy a local SIM.
- At the airport: connect to data, open the TripoSIM app and check it shows you online.
- On arrival: ask someone to call your US number once on local data and once on the new Wi-Fi.
- Test voicemail: switch off data, have someone call, and play the message back.
- Update your local contacts: give your new local number to your landlord and anyone local. Your US contacts need nothing.
- Check the clock: your calling hours to the US have moved. The US time-zone clock shows the new overlap.
Some countries or networks restrict internet calling, so do steps 3 and 4 before you rely on the number there. The guide to making your number ring reliably covers the phone settings that matter.
Why keep a local line too?
- Emergencies. The US number cannot call 911 or any emergency number, in the US or anywhere else. Keep a local line for that.
- Local calls. Calls out from the US number go to the US and Canada only. Taxis, landlords and clinics abroad need a local number.
- Data. The app needs internet away from Wi-Fi.
Which plan fits a life on the move?
If you plan to keep the number for a year or more, the yearly plan at $100 works out at about $8.33 a month and includes a $5 credit for travel eSIM data or extra minutes. The monthly plan at $12.99 lets you try it first.
Keep your payment card current. If a plan ends, the number is kept 30 days on the yearly plan or 90 days on the monthly plan, then released. After that, every account that uses it has lost your contact number.
When is this setup not enough?
- You need to text people back. The TripoSIM number receives texts only. A provider with two-way texting fits better; see providers compared.
- You often have no internet. On boats or long treks the app cannot ring. Voicemail catches what you miss.
- You settle in one country. People there will want a local number. Keep the US number for US contacts.
Bottom line
Let your data change with every country and keep your number fixed. A local SIM or eSIM gets you online, and the TripoSIM app gives you one US number for calls, voicemail and codes on top of it. Keep a local line for emergencies and local calls. Our digital nomads page has worked yearly costs, and the plans page has both plans.