CIE verification procedure - The Electronic Identity Card (CIE)
SMS Verification | Receive SMS Online | Telesign
The Google Voice scam: How this verification code scam works and how to avoid it | Consumer Advice
Wabi - Virtual Phone Number - Apps on Google Play
Telephone numbers in Italy - Wikipedia
Toll-free & 800 numbers | Twilio
Fake-SMS : A simple command line tool using which you can skip phone number based SMS verification by using a temporary phone number that acts like a proxy, written in Go. :
Mobile Phone Numbers to Receive SMS Online | MobileSMS.io
Is it okay to use a fake phone number for verification? - Quora
SMS verification service | Secure way to verify number via SMS code