Burner Number vs Second Phone Number: What’s the Difference?

"Burner number" started as slang for a cheap prepaid phone you could throw away. Today it usually means a phone number from an app that you can get quickly and delete later. A "second phone number" is the broader idea: any extra number on top of your real one.

What is a burner number?

A burner number is a number you plan to get rid of. You use it for one listing, one trip, one event, or one person, and then you delete it. The point is that when you are done, the number, and everyone who had it, goes away.

What is a second phone number?

A second phone number is an extra line you keep: a work number on your business cards, a number for your side hustle, or the number you give to anyone who isn’t family. It might come from a second SIM or eSIM, from Google Voice, or from an app.

The real difference: how long you keep it

Technically, a burner number and an app-based second number are the same thing. Both are real numbers that live in an app. The difference is how you use them. A good second-number app lets you do both: keep one number for the long term and use others as short-term numbers you delete when you are done.

When a short-lived number makes sense

• •A single Craigslist or Marketplace listing
• •The first few conversations with a new match
• •A contest, raffle, or Wi-Fi signup that wants a number
• •A short project or a one-time job

When a lasting second number makes sense

• •A freelance or side-business line printed on invoices and your website
• •A number for landlords, tenants, or a rental listing that runs all year
• •A number for everyone outside your inner circle

With Ghost your plan includes up to 5 numbers, so you can keep a lasting work number and still have room for short-term ones. Ghost is $60 every 2 months. Cancel anytime. No contracts.