Why does texting a confirmed phone number say it’s invalid?
I wrote down my manager's phone number and double-checked that I entered it correctly. However, every time I try to text the number, I get an error saying…
invalid phone number
Why Does a Correct Phone Number Show as Invalid When I Text It?
I wrote down someone's phone number and tried texting them, but my phone immediately said the number was invalid. I double-checked the number with the person, and they…