iPhone starting adding US +1 when I input my phone number

Thanks for your interest.

Same thing happens - when I tap on the login field (can put in email address or phone number as my login) and tap on a number to put in my phone number, the US 1+ is filled in immediately instead the number I pressed and before I can actually enter anything at all. If I continue to enter my phone number the US 1+ makes my login is invalid and I can’t log on to the site.

Why is this happening no matter whether dial assist is on or off?

Thanks

Dial assist is already off. It just started doing this on the last week or so. I’ve never seen this adding 1+ to my phone number before today.

I’m trying to log into Amazon. I don ‘t know why Amazon would be putting these extra characters in automatically then disallowing my phone number.

Hold on - I think I used another site’s login by mistake when I was logging into Amazon

yes, sberman is right.

— Sorry for my confusion. My mistake.