Coverage Our Fulfillment service covers any part of the planet and is based on the infraestructure of the United States Postal Service, one of the best in the world. The mailings can be made in any mail category, including Priority Mail with delivery confirmation in any part of the USA. The reception of the request is handled by our communications center in Boston, Massachussets and processed in Costa Rica. In Boston we receive the requests coming in through our Toll Free Fax and Toll free digital messaging, by email or by regular mail. At the time of signing, the contract should specify which countries you want covered through our fulfillment system.