OpenAI SMS Verification

Why OpenAI asks for a phone number

OpenAI requires phone verification at sign-up for both ChatGPT and API access. It is the main control preventing one person from spinning up unlimited free accounts, so the check is strict: VoIP numbers are widely rejected, and each number can verify only a small number of accounts before it stops working.

The requirement also applies when you move from a free account to a paid plan or request API credits.

When a virtual number makes sense

Signing up from a region where your carrier's SMS doesn't reliably reach OpenAI
Creating a separate account for a team or client project
Keeping a development and testing account apart from your production one
Registering without attaching your personal number to an AI account

How it works

Choose OpenAI and pick a country from the live pool.
Enter the number on OpenAI's verification screen.
Read the code from your USPhoneGen dashboard.
Complete sign-in and store your API key securely if you are using the API.

Before you start

OpenAI's verification is among the least forgiving on this site — numbers that have previously verified an OpenAI account are usually refused. Pick a fresh number rather than one you have already used here, and complete the flow promptly: the code window is short, and an expired code often means starting the sign-up over from the beginning.

Frequently asked questions

Which countries can I get a OpenAI verification number from?

Numbers for OpenAI are currently available in 114 countries and regions. Availability is refreshed continuously from our upstream carriers, so the number pool you see on the ordering page is always the live one.

How long does it take to receive the OpenAI SMS code?

Codes usually arrive within seconds of OpenAI sending them. You keep the number for the duration of the verification session, and the code appears directly in your USPhoneGen dashboard — no SIM card or app install required.

Do I need my own phone number to verify OpenAI?

No. The whole point of a virtual number is that you never expose your personal number to OpenAI or to anyone who later gains access to that account. You pick a number, receive the code, and your real number stays private.