Someone called me about requiring to do some maintenance work in my apartment. Instead of calling back I'll respond by email.
In the email, I'd like to give some context about me: my name, where I live and the phone number they called.
Is unter the correct preposition to use when I want to say you called me this morning at 123456?
My email will start with:
Mein Name is Peter, ich wohne in der Hauptstrasse 123. Sie haben mich heute Morgen unter 1234567 angerufen über meine Balkontür zu messen. […]