It all depends on the envelope size. A standard flat envelope is about $1.00 while a larger flat envelope is about $1.24. I had the same question and found my answer here: http://postcalc.usps.gov/
The Dominican Postal services is named INPOSDOM.
how much postage for a letter 1.8 oz
how much postage for a letter 1.8 oz
standard letter to shanghai china - how much postage?
500
Spain would have a much larger population, with about 47 million compared to Dominican Republic's 10 million.
$345
1 dollar
How much postage for 1 oz. letter from US to Austria
It's costs about RD$450 Dominican Pesos.
how much is postage for a first class letter from US to Switzerland
how much is 300 pesos in dominican republic
Postage is 98 cents for an 1-oz. letter.