A virtual number is a real phone number without a SIM card
A virtual phone number (sometimes also called a virtual phone line) is a telephone number that's not associated with a specific device or piece of hardware [url=https://oiger.de/2024/04/05/der-ultimative-leitfaden-zu-temporaeren-handynummern-und-einweg-telefonnummern/190446]https://oiger.de/2024/04/05/der-ultimative-leitfaden-zu-temporaeren-handynummern-und-einweg-telefonnummern/190446[/url]
A virtual number is a real phone number without a SIM card