27 selected
- La Agüera
- Labuan
- Lagos
- Laos
- Laos - Pathet Lao
- Lattakia
- Latvia
- Lebanon
- Leeward Islands
- Lesotho
- Levant [Austro-Hungarian post offices in Turkey]
- Levant [British postoffices in Turkey]
- Levant [French post offices in Turkey]
- Levant [German post offices in Turkey]
- Levant [Italian post offices]
- Levant [Polish post office in Turkey]
- Levant [Rumanian post offices in Turkey]
- Levant [Russian post offices]
- Liberia
- Libya
- Libya - Italian post office Benghazi
- Liechtenstein
- Lithuania
- Lombardy–Venetia
- Lourenço Marques
- Lübeck
- Luxembourg
- Not filled in