This site provides a directory of select mail forwarding service providers, primarily those located in the US. Mail forwarding services offer a US mail address to individuals and companies that wish to benefit from shopping opportunities and business in the US. You can easily get a US address which will allow you to shop in US stores and have your package forwarded to you wherever you live in the world. You can also have letters sent to your US address (for example from banks, Google, and others). Sign up with this site and read reviews, comparisons, user comments, news, sales and auctions.
When a letter goes to your address in the US, you get notified and see scanned copies of the letter, outside and inside. You decide whether to discard the letter (the letter will be shredded) or to have the letter be sent to you, in the country you live in. If the letter contains a check, some companies will even deposit it to your bank for you.
The main difference is that you do not have to be living in a country, e.g. in the USA, in order to get a postal address. You may be a French citizen, living in France, and get a US address for shopping, banking, of business purposes.