Forgetting to add MSC number on package

hey, i’m a freshman and i ordered a package last night. i put in my msc number as the apartment number on the shipping address but i guess it didn’t save because when i got the order confirmation the shipping address was just the address of the mailroom. will i still be able to get my package because it has my name on it? should i call the washu mailroom or even try to call the store i bought from to see if they can fix it?