Invitation envelope questions

1) do you write out the state name i.e. New York vs. NY?

2) Do you spell out apartment or leave it as 'apt.'

etiquitte is 'New York'

and if the street name is a number you have to write that out

i.e. 78th Ave is Seventy-Eighth Avenue

I wrote:

New York

Apartment

This site really helped me out

SOUTHWORTH

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Posted by groovypeg

so if someone lives on 221st street, i have to write out two hundred and twentyfirst street??

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Naaaa, I didn't even write out West 86th Street because it became too long. I made things up as I went along, I don't feel the need to follow etiquette to a T...

Wedding Invitation Wording

Nicknames or abbreviations should be avoided when possible except for Mr., Mrs., Jr., etc. You may use an initial if you do not know the full name, or if the person never uses his given name. Cities, states and numbered streets are written out in full (with the exception of D.C.). In regard to addresses, the only optional abbreviations are for Saint (St.) or Mount (Mt.), which can be written either way.


From this website: HERE