Nouns ending in -esse are feminine.
The suffix often marks an abstract quality.
Is adresse masculine or feminine?
l'adresse
The rule behind it
100% of -esse nouns are feminine
In context
Personne à part Tom ne connaît son adresse.
No one knows his address but Tom.
Il ne pouvait se souvenir de mon adresse.
He couldn't remember my address.
Répondez immédiatement lorsqu'on s'adresse à vous.
Answer at once when spoken to.