Lucky you!
Because of the holiday weekend, it is unlikely your parcels are in the mail yet.
IMMEDIATELY use Contact Seller to inform your sellers of the problem.
Apologize for your mistake.
Since it is just the apartment number that is missing , the seller can handwrite it on the label for the postal worker, without a problem with her Paypal Seller Protection.
NOW
Go to your Paypal account and correct your address.
and we receive packages and mail monthly.
Where are you: Antarctica?