MailAmericas is a private postal operator that has been advising and assisting Designated Postal Operators belonging to the Universal Postal Union since 2000.
Number rule
(# -＞ Letter, * -＞ Digit, ! -＞ Letter Or Digit)
- E# *** *** *** MU
- L# *** *** *** MU
- M# *** *** *** MU
- R# *** *** *** MU
- U# *** *** *** MU
- E# *** *** *** MH
- L# *** *** *** MH
- M# *** *** *** MH
- R# *** *** *** MH
- U# *** *** *** MH