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Codex Issues / #21189

Phone verification OTP not received (Pakistan) – unable to log in

Open 💬 6 comments Opened May 5, 2026 by UsamaAhmed445566
💡 Likely answer: A maintainer (github-actions[bot], contributor) responded on this thread — see the highlighted reply below.

What issue are you seeing?

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Title

Phone verification OTP not received (Pakistan) – unable to log in

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Description

I am unable to complete login to Codex because phone verification is not working.

During login, I am prompted with the “Phone number required” screen. After entering my phone number, no OTP code is ever delivered.

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Details

  • Country: Pakistan
  • Phone format used: +92XXXXXXXXXX (correct international format, without leading zero)
  • Phone type: Real mobile SIM (not VoIP / not landline)
  • Tried multiple times: Yes
  • Different networks/SIMs tested: Yes
  • VPN: Not used (also tested without VPN)
  • WhatsApp verification option: Not available in UI

What steps can reproduce the bug?

I enter my phone number
Click “Continue”
No OTP is received (SMS never arrives)
No fallback option (e.g., WhatsApp) is shown
I am completely blocked from logging in

What is the expected behavior?

OTP should be delivered via SMS or alternative method (e.g., WhatsApp)
Or a fallback verification option should be available

Additional information

This issue seems to affect multiple users recently
Others are reporting similar problems where OTP is not delivered at all
This suggests a possible backend or regional delivery issue rather than user error

View original on GitHub ↗

6 Comments

github-actions[bot] contributor · 2 months ago

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

  • #20320

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BinhTran666 · 2 months ago

Same issue in Vietnam using Mobifone sim provider

Kabshah · 2 months ago

Same issue I'am also from pak trying from ufone sim. I think pak is restricted😭.

mhammadraza137 · 2 months ago

I finally solved the OTP issue and wanted to share a workaround in case it helps others.

What worked for me:

  • I went to my Google Account settings.
  • I updated/changed the phone number linked to my Google account (you can also add a new number).
  • After that, I tried signing into Codex again using the updated number.

This time, the OTP was delivered successfully and I was able to log in.

Not sure if this is specifically related to regional carrier issues or account verification sync, but updating the Google account phone number solved it for me.

Hopefully this helps someone else facing the same issue.

UsamaAhmed445566 · 2 months ago
I finally solved the OTP issue and wanted to share a workaround in case it helps others. What worked for me: I went to my Google Account settings. I updated/changed the phone number linked to my Google account (you can also add a new number). * After that, I tried signing into Codex again using the updated number. This time, the OTP was delivered successfully and I was able to log in. Not sure if this is specifically related to regional carrier issues or account verification sync, but updating the Google account phone number solved it for me. Hopefully this helps someone else facing the same issue.

You can reply with this:

Thanks for sharing the workaround. I tried updating/changing the phone number linked to my Google account as well, but unfortunately it still did not solve the issue for me.

I’m still getting the “Unable to send a verification code to this phone number” error when trying to log in. It may be related to regional carrier restrictions or something account-specific.

Hopefully there’s another fix or an official response soon.

<img width="1123" height="1400" alt="Image" src="https://github.com/user-attachments/assets/fedb9d67-94a0-473a-9452-158f7368361c" />

tangowhisky-dev · 1 month ago
> I finally solved the OTP issue and wanted to share a workaround in case it helps others. > What worked for me: > > I went to my Google Account settings. > I updated/changed the phone number linked to my Google account (you can also add a new number). > * After that, I tried signing into Codex again using the updated number. > > This time, the OTP was delivered successfully and I was able to log in. > Not sure if this is specifically related to regional carrier issues or account verification sync, but updating the Google account phone number solved it for me. > Hopefully this helps someone else facing the same issue. You can reply with this: Thanks for sharing the workaround. I tried updating/changing the phone number linked to my Google account as well, but unfortunately it still did not solve the issue for me. I’m still getting the “Unable to send a verification code to this phone number” error when trying to log in. It may be related to regional carrier restrictions or something account-specific. Hopefully there’s another fix or an official response soon. <img alt="Image" width="1123" height="1400" src="https://private-user-images.githubusercontent.com/198714101/589534516-fedb9d67-94a0-473a-9452-158f7368361c.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3Nzk3ODA1NzEsIm5iZiI6MTc3OTc4MDI3MSwicGF0aCI6Ii8xOTg3MTQxMDEvNTg5NTM0NTE2LWZlZGI5ZDY3LTk0YTAtNDczYS05NDUyLTE1OGY3MzY4MzYxYy5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjYwNTI2JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI2MDUyNlQwNzI0MzFaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1jMjBiODU0MmU3YjE5ZTc3MjM1ZmIzODY5MDcyYTlhYjBkNzgzM2M2YmJkNDgxMGVhZDRlOTUxNDFmYjY1MDk3JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZyZXNwb25zZS1jb250ZW50LXR5cGU9aW1hZ2UlMkZwbmcifQ.hUeqj2pQQHW3mc6PonUha0AN9qwtUzYgLgRk2IT5aow">

Same issue with me.