address
addressee
adhesive
advertisements
air mail

book rate
box
bulk mail
buy

cancelled stamp
circulars
clerk
code
commemorative stamp
communication
confirm
correspondence

deliver
delivery
dispatch
domestic
drop

envelope
express

fast
first class
flat rate
foreign
form
forward
freight
from

insurance
international

junk mail

letter
letterhead
library rate

magazine
mail
mailbox
mail carrier
mailer
mail truck
media
meter

office
open
ounce
overnight
overseas

pack
package
packing
paper
parcel
penpal
periodical
pickup
PO box
post
postage
postcard
postal carrier
postal code
postmark
postmaster
post office
post office box
pound
priority

rate
receipt
recipient
return address
returned

sack
satchel
seal
send
service
ship
special delivery
stamp
stamp machine
stationery

tape
to
tracking
truck

uncancelled
undeliverable
unopened

weigh
weight
wrap
write

zip code
zone