They are public, meaning anyone can see the SMS messages received on them. Do NOT use them for sensitive accounts (banking, primary email, etc.).
They are temporary and often expire after a short period (e.g., 10 minutes, or numbers are rotated frequently).
They usually cannot make outgoing calls or texts.
Many services (like WhatsApp, Telegram, certain banking apps) block these types of numbers.
Providers:
Quackr.io: Offers free temporary numbers from various countries, mainly for SMS verification. Numbers are updated frequently.
AnonymSMS: Provides temporary phone numbers for SMS verification, with numbers from different countries.
Temp Number: Similar to AnonymSMS, offering free temporary numbers for OTP/SMS verification.
SmsBower: Offers temporary phone numbers for free, suitable for OTP for account verification.
FreePhoneNum: Provides free albania phone number list temporary phone numbers from several countries for receiving verification codes.
MobileSMS.io: Offers some free disposable numbers (e.g., US, UK, Germany) for 10-minute use.
Offers free temporary numbers for SMS verification without registration.
Purpose: These numbers often come from apps that provide free calling and texting over Wi-Fi, typically within specific regions (like the US and Canada). They can be more persistent than disposable numbers.