address book

US /ˈæd.res ˌbʊk/
UK /ˈæd.res ˌbʊk/
"address book" picture
1.

Adressbuch

a book or electronic file for storing names, addresses, and telephone numbers of contacts

:
I need to update my address book with her new contact details.
Ich muss mein Adressbuch mit ihren neuen Kontaktdaten aktualisieren.
My phone's address book is full of old numbers.
Das Adressbuch meines Telefons ist voll mit alten Nummern.