A
address
addressee
adhesive
advertisements
air mail
B
book rate
box
bulk mail
buy
C
canceled stamp
circulars
clerk
code
commemorative stamp
communication
confirm
correspondence
D
deliver
delivery
dispatch
domestic
drop
E
envelope
express
F
fast
first class
flat rate
foreign
form
forward
freight
from
I
insurance
international
J
junk mail
L
letter
letterhead
library rate
M
magazine
mail
mail carrier
mail truck
mailbox
mailer
media
meter
O
office
open
ounce
overnight
overseas
P
pack
package
packing
paper
parcel
penpal
periodical
pickup
PO box
post
post office
post office box
postage
postal carrier
postal code
postcard
postmark
postmaster
pound
priority
R
rate
receipt
recipient
return address
returned
S
sack
satchel
seal
send
service
ship
special delivery
stamp
stamp machine
stationery
T
tape
to
tracking
truck
U
uncanceled
undeliverable
unopened
W
weigh
weight
wrap
write
Z
ZIP code
zone