Considering the Chalet Suisse in Quito?
A VT member wrote the following comment about visiting Quito:
Post Office by acemj
On the northern side of La Mariscal on Reina Victoria, you'll find this post office, which is a convenient place from which to mail off postcards back home to friends and family. I believe it was something like a dollar a postcard to the US and it took a week or so to arrive.