Does anyone know who the short code 1C0DE77453 belongs to?

I'm not getting short codes from others than AT &T. Please help can't sign onto banking.

I switched my carrier from Verizon to AT&T this weekend, and upgraded to a new iPhone 11. Since then, I have not been able to receive short code messages from Instagram to get in to my account. They are trying to send me a verification code so that I can get in to my account again, but the codes are

Does anyone know if it is possible to receive SMS short codes on AT&T Landline Texting service. You know, the codes that comes from banks and cell phone companies. I was told that I needed to upgrade to the premium package to enable MMS and that would help. Thanks.

I keep getting an error message stating Invalid number when I text my radio station.  it says please resend using a valid 10 digit mobile number or vaild short code.  Their text # is the same as their phone #.  I have tried with and without area code but both give me the same error message and I am

A phone on my plan has a lot of outgoing messages to just the number "1" on the current text log. There are about 30 texts in an hour, all outgoing. I haven't noticed this activity in the past.Any idea what is going on here?