Numbers activated
40K+
Numbers activated
40K+
Countries available
190+
Average delivery rate
51%
If SMS doesn’t arriveSMS doesn’t arrive?
Auto-refund
Claude is a powerful AI chatbot from Anthropic, capable of sophisticated conversation, summarization, and creative writing. To get started and use this next-generation AI, you need to create an account and verify it with a phone number. As you interact with AI, a virtual phone number is a crucial tool for protecting your privacy and securing your conversation history.
Your conversations with an AI can be deeply personal or contain sensitive work-related information. A virtual number allows you to sign up for Claude without linking your AI activity directly to your core personal identity. It adds a layer of anonymity, ensuring that your explorations and queries remain private and are not tied to your primary phone number.
Your Claude account stores your conversation history, which can be a valuable and private record of your ideas and work. Using a dedicated virtual number for verification makes your account more secure. It protects you from account takeover attempts via SIM swapping, ensuring that only you have access to your chat logs and personal AI workspace.
AI services are sometimes rolled out on a region-by-region basis. If Claude requires a number from a specific country that you are not in, a temporary virtual number from that region can provide immediate access. It allows you to bypass geographic restrictions and be among the first to use the latest AI tools, no matter where you are located.
Either create a new account by clicking "Registration" or log in if you already have one.
In the top right corner, click "+" and choose a convenient top-up method. Add the amount you need.
In the left menu, under "Select service," click "Claude". Then, choose your region from the list.
Click "Buy" and wait a few seconds for your temporary number to be purchased and activated.
Copy the phone number from the "Number" field to activate the service.
Wait for the one-time password (OTP) to appear in the "Code from SMS" field, then enter it in the Claude verification screen to complete registration.
Both options let you receive an SMS code on a Claude number. The difference is in reliability and privacy.
Yes, our numbers are specifically designed for Claude registration. Claude requires a phone number for account creation, and our virtual numbers provide a reliable way to receive the SMS verification code.
Yes, you can. SMSFAST allows you to rent multiple virtual numbers, meaning you can use a unique number for each Claude account.
First, double-check that you've copied the SMS code precisely as it appeared in your SMSFAST account and entered it correctly into Claude. Also, ensure the number you used is still active and within its valid time frame.
If the issue persists, the number might have been flagged by Claude. In such cases, we recommend simply renting a new temporary phone number and repeating the registration process.
There may be a slight delay in network delivery at times. Please give it a minute or two.
If the code still doesn't arrive after a resend attempt, the temporary number might be experiencing an issue with that specific service. We recommend canceling the current number (if no SMS has been received, you typically won't be charged) and renting a new disposable number from SMSFAST.
A number is valid for up to 20 minutes for SMS verification purposes. This ensures you have enough time to receive your verification code and complete the registration.
Yes, we provide real, non-VoIP numbers from local SIM cards. You can use to register on a variety of services.
No, you generally cannot reuse the same temporary number for Claude registration. It is designed for one-time SMS verification. If you need to register another account, you'll require a new code from a new virtual number.
Yes, it is safe. Using SMSFAST numbers for services like Claude significantly enhances your privacy and security. This allows you to avoid exposing your personal number.