Temporary Phone or Temporary Number: Which Do You Need?
A temporary phone can mean a cheap handset you use for a while and then retire, a second SIM or eSIM in the phone you already own, or simply a number you use online to receive one code. They solve different problems, and an online number is only the right pick when all you need is to read a text.
Here's how the three compare on cost, setup, features and privacy, so you can choose the one that matches what you're trying to do.
Free numbers available now
Click a number to open its public inbox, enter the number on the signup form, then press Update Messages on the number's page to fetch the code.
Three kinds of temporary phone
Prepaid burner handset
A basic phone bought with prepaid credit. It makes calls and sends and receives texts, all separate from your main phone. You have to buy the device, top it up and, in many countries, register the SIM with ID.
Travel SIM or eSIM in your own phone
A second line in the phone you already carry, handy abroad or for a short project. Many travel eSIMs are data-only and come without a phone number, so check before buying if you need texts. An eSIM also needs a compatible phone that isn't locked to a carrier.
Online number
A number whose texts you read in a web browser, like the ones on this site. There's nothing to buy or install, but it only receives texts and every message on it is public. It suits a single code, not ongoing contact.
Side-by-side comparison
| Feature | Burner handset | Travel SIM or eSIM | Online number here |
|---|---|---|---|
| Cost | Device plus prepaid credit | A SIM or eSIM plan | Free |
| Setup | Buy, activate, may need ID | Buy, install, may need ID | Open a web page |
| Make or answer calls | Yes | Yes, if the plan includes a number | No |
| Send texts | Yes | Yes, if the plan includes a number | No |
| Receive texts | Yes | Yes, if the plan includes a number | Yes, on a public page |
| Who can read your texts | Only you | Only you | Anyone |
| How long it lasts | While you keep it topped up, under the carrier's rules | For the plan period | Until its provider takes it offline |
| Good fit for | Calls and texts you control for weeks | Travel or a second line on one device | A single verification code |
ID rules for SIM cards
In many countries you must show ID to buy or activate a SIM card, prepaid ones included. That means a burner handset or a travel SIM can still be linked to your name, with the record held by the shop or the carrier. Rules vary by country, so check what applies where you are before you buy.
An online number needs no SIM and no ID. The flip side is that it does much less: no calls, no sending, and no control over who reads the inbox.
How to choose
- You need to make or take calls: a burner handset or a second SIM. The numbers here can't handle voice; the page on calls vs texts explains why.
- You're traveling and want a local line: a travel SIM or eSIM that includes a number, or a data-only eSIM plus internet messaging apps.
- You need one code for a throwaway account: an online number from the list, which takes a minute.
- You need a number for an account you care about: a SIM in your own name. Public numbers can be read by anyone, so they're wrong for recovery, money or anything tied to your identity.
If you're in the US or Canada and weighing a prepaid SIM against an online number, the page on a temporary cell number goes into more detail.
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