French international postage rates at a glance. Inland domestic postage within France-as from 1st January 2015. There are THREE rates for letters up to 250 grammes, and two for letters up to 3 kg.
Mailbox Height. Mailbox height is important-the mailbox will need to be on a post that places the opening of the box between 41 and 45 inches from the surface of the road (not the ground where you will be inserting the post), and no more than 6 to 8 inches from the curb.
One ounce. The letter must also meet certain requirements: First-Class Mail Letters First-Class Mail, Priority Mail, or Express Mail is required for personal correspondence, handwritten or typewritten material, and bills or statements of account. First-Class Mail may also be used for advertisements. Dimension Minimum Maximum Height 3-1/2 inches 6-1/8 inches Length 5 inches 11-1/2 inches Thickness 0.007 inch 1/4 inch Letters that meet one or more of the nonmachinable characteristics below are subject to the nonmachinable surcharge.