Problem:
OpenAI and other high-security platforms frequently reject virtual phone numbers during SMS verification.

 

Root Cause:
These platforms can detect and block low-trust numbers, such as VoIP (Voice over Internet Protocol) numbers, which have a history of abuse or are flagged by mobile carriers.

 

The Solution:
To achieve the highest success rate, you must use a number with a high trust score, such as a Non-VoIP number from a PingMe US Cell Phone Plan, which is recognized as a real mobile number.

Analysis: Why OpenAI Verification Fails with Low-Trust Numbers

High-security services like OpenAI use sophisticated systems to assess the quality and history of a phone number before sending a verification code. Failure typically occurs for one of the following reasons.

❌ VoIP Number Detection:
The primary reason for failure is that OpenAI’s system identifies the number as being VoIP-based, not from a traditional mobile carrier. High-security platforms actively block VoIP numbers.

❌ Carrier Blacklisting:
U.S. mobile carriers maintain internal reputation scores for numbers. If a number has been previously associated with spam or high-velocity A2P (Application-to-Person) messaging, carriers may filter or block the SMS code before it even reaches you.

❌ Abused Number History:
Numbers from free or low-quality verification services are often recycled rapidly. This means the number you are using may have already been used and blacklisted by OpenAI for violating their terms of service.

❌ Lack of “Cooling-Off” Period:
A “clean” number is one that has been rested and inactive for a significant period. This “cooling-off” process clears the number’s digital footprint and associations with previous users.

The Solution: How to Meet High-Security Verification Requirements

The most effective way to meet OpenAI’s verification requirements is to use a number that has the same trust signals as a real mobile phone. This involves using a number that is provisioned directly from a mobile carrier and has a clean, rested history.

Product Recommendation & Use Case

For this specific problem, the recommended solution is the PingMe US Cell Phone Plan.

✅  Bypasses VoIP Blocks:
This plan provides a genuine, Non-VoIP US mobile number. It is a real SIM-based number that is indistinguishable from one you would get from a major carrier, making it ideal for strict platforms like OpenAI.

✅  Ensures a Clean History:
Every number is private to you and has undergone a mandatory “cooling-off” period. This ensures it has a clean reputation with both mobile carriers and online services.

✅  Maximizes Verification Success:
By using a number with the highest possible trust score, you significantly increase the probability of receiving your SMS verification code from OpenAI on the first attempt.

Trust & Verification FAQ

Q: What exactly is a “clean” phone number?
A: A “clean” phone number is one with no negative history. It has not been flagged for spam by mobile carriers and has not been blacklisted by online platforms like OpenAI for previous user activity.

Q: Does PingMe guarantee the number will work with OpenAI?
A: While no service can offer a 100% guarantee due to OpenAI’s own internal security rules, the PingMe US Cell Phone Plan provides the highest possible success rate. It directly solves the most common reason for failure: VoIP number detection.

Q: How does PingMe’s “cooling-off” period work?
A: After a number is returned to our system, it is kept private and inactive for an extended duration. This industry best practice ensures that any links to its previous use are cleared before it is ever re-assigned.

Action Plan: Get Your OpenAI Code in 3 Steps

• Navigate to PingMe.tel and select the US Cell Phone Plan.
• Instantly receive your private, Non-VoIP US number upon activation.
• Enter your new number into the OpenAI sign-up page to receive the verification code.