+1 shows up in all phone numbers.

[kids70]

From yesterday, suddenly +1 shows up in  all incoming phone numbers. 

Orginally, phone numbers were showed (111)222-3333, but now they are showed like +1-222-333-4444.

I don't like seeing "+1". How can I return it?

My phone is Galaxy A51. 

Thank you

[tikibar1 · Accepted solution]

The country code is being automatically added. You could try turning off assisted dialing, i.e.,

Assisted Dialing and Samsung Phones