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Developer Subscription: Unable to use phone issue

Geeb 116 Reputation points
2021-10-08T12:49:42.623+00:00

I am attempting to subscribe to an Developer tenant (https://developer.microsoft.com/), but when I am prompted to enter my phone number to get an SMS text, it gives me this error:

"We're unable to send the code to that number. Please provide a valid cell phone number and try again. MS-CorrelationId: 24293d63-b93d-44c1-b2c1-83978132fb5d"

The phone number is valid and works just fine with other products and services that require SMS/MFA texts.

What is the issue?

Microsoft 365 Publishing
Microsoft 365 Publishing
Microsoft 365: Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line. Publishing: The process of preparing, producing, and releasing content for distribution or sale.
618 questions

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  1. Shantanu Dutta 6 Reputation points
    2022-09-10T16:39:02+00:00

    I had been trying multiple times with 3 of my numbers and suddenly to my surprise one of the numbers got accepted and the box to enter the code appeared. I even received the code but by the time I could type it the box just disappeared and I was again left with the same error. I have no I idea whether it's a sever error or Microsoft is doing it intentionally.

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  2. Karin James 1 Reputation point
    2022-09-11T05:19:50.223+00:00

    I'm in the US and have a valid cell phone number and I am getting the same error message. My phone number was acceptable for Microsoft to send a text to for me to login, but now for the developer program it is all of a sudden not a valid cell phone number? I'm a bit confused and in reading the comments, I am by far not the only one struggling with this issue.

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  3. Halimjon 1 Reputation point
    2022-09-12T05:24:55.607+00:00

    Did smb get official answer from Microsoft? For Tajikistan the issue is the same. We're unable to send the code to that number. Please provide a valid cell phone number and try again. MS-CorrelationId: 99f3acdf-bdc3-4422-a66a-41f09030c227

    P.S.
    Lets wait:

    Thank you
    Your request was submitted
    Case 2209120010000426  Your question was successfully submitted to Microsoft Support TrackingID#2209120010000426

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  4. Vinit 1 Reputation point
    2022-09-13T09:31:32.273+00:00

    I was facing the same issue since last 3 weeks. I tried again today and it seems that the issue has been fixed.

  5. Setsuna 41 Reputation points
    2022-09-13T16:09:37.94+00:00

    As someone mentioned before apparently it DOES work if you use a number that you never associated with an outlook account before. I used my wife's number and it went through.

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