AT&T iphone Messages containing the #1 are not being sent to non-iphone

An AT&T user with an iphone cannot send a message containing the number 1 to a non-iphone user.

At work, we use a third party messaging/notification tool. Every morning we have to text a number to this third party app to indicate where we are for the day (1 = At work, 2=Telework, 3=sick, etc...). On Wednesday, texting the number 1 stopped working for at&t users. All other numbers (2,3,4,5,6,7) continue to work.

To further test this, I texted my Android friend the number 1 and she did not get the text.

This is not just happening to me. This is happening to everyone I work with and many of my friends that I tested with.

Posted on Sep 29, 2023 6:03 AM

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Sep 29, 2023 10:11 AM in response to Jackson-NJ

Jackson-NJ wrote:

An AT&T user with an iphone cannot send a message containing the number 1 to a non-iphone user.
At work, we use a third party messaging/notification tool. Every morning we have to text a number to this third party app to indicate where we are for the day (1 = At work, 2=Telework, 3=sick, etc...). On Wednesday, texting the number 1 stopped working for at&t users. All other numbers (2,3,4,5,6,7) continue to work.
To further test this, I texted my Android friend the number 1 and she did not get the text.
This is not just happening to me. This is happening to everyone I work with and many of my friends that I tested with.

Report the issue to AT&T, SMS is their feature.

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AT&T iphone Messages containing the #1 are not being sent to non-iphone

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