Of course they do! They have to so that they dont send out illegal things or bad stufff!
The US Postal Inspection Service.
Snail Mail.
Express Mail
It better!
Yes, it is not a US Postal Holiday.
No
Third class mail is a US Postal Service category for bulk advertisements.
Children
Noyou cant!
There was no US Postal Service in 1850.
One can find information on US postal service priority mail at the official USPS website. One the website, it has all the details and the different prices.
There are many US postal carriers that offer priority mail for international post. These include the United States Postal Service, UPS Shipping, and FedEx.