Fill out the rest of the address as usual, with the street address or post office box, any suite or apartment numbers, the city and state, and the ZIP code.
Spell out all words in an address on your wedding envelopes. Rather than "St.," "P.O. Box," and "Apt.," use "Street," "Post Office Box," and "Apartment." This applies to city and state names as well; instead of abbreviations, write "Saint Paul, Minnesota" and "Washington, Distr...