preaddress
/ˈpriːædres/; /ˈpriːədrɛs/Definitions
1. noun
An address that is given before a letter is sent to determine the cost of postage or to decide whether to send it by airmail or surface mail.
“The postal service asked for the preaddress to calculate the delivery fee.”
2. verb
To give a preaddress to a letter or package.
“Before sending the package, we preaddressed it to the recipient.”