• Postal addresses by country‎ (3 C, 10 P)
• Post office buildings by country‎ (17 C)
• Postal codes by country‎ (7 C, 99 P)
• Postal history by country‎ (11 C, 12 P)
• Philately by country‎ (149 C, 134 P)
• Postage rates by country‎ (5 P)
• Postage stamps by country‎ (31 C, 4 P)

A

• Postal system of Albania‎ (1 C, 3 P)
• Postal system of Andorra‎ (3 P)
• Postal system of Armenia‎ (3 P)
• Postal system of Australia‎ (4 C, 11 P)
• Postal system of Austria‎ (1 C, 3 P)
• Postal system of Azerbaijan‎ (1 C, 4 P)

B

• Postal system of Bahrain‎ (1 C, 2 P)
• Postal system of Bangladesh‎ (6 P)
• Postal system of Belgium‎ (1 C, 2 P)
• Postal system of Benin‎ (2 P)
• Postal system of Bhutan‎ (1 C, 2 P)
• Postal system of Brunei‎ (1 C, 4 P)

C

• Postal system of Canada‎ (2 C)
• Postal system of the Central African Republic‎ (2 P)
• Postal system of China‎ (4 C, 9 P)
• Postal system of Colombia‎ (1 P)
• Postal system of Cyprus‎ (3 P)
• Postal system of the Czech Republic‎ (3 P)

D

• Postal system of Denmark‎ (1 C, 3 P)

E

• Postal system of Estonia‎ (1 C, 1 P)

F

• Postal system of France‎ (1 C, 8 P)

G

• Postal system of Georgia (country)‎ (3 P)
• Postal system of Germany‎ (3 C, 12 P)
• Postal system of Ghana‎ (1 C, 4 P)
• Postal system of Gibraltar‎ (1 C, 4 P)
• Postal system of Greece‎ (1 C, 2 P)

H

• Postal system of Hungary‎ (1 C, 3 P)

I

• Postal system of Iceland‎ (1 C, 4 P)
• Postal system of India‎ (3 C, 15 P)
• Postal system of Indonesia‎ (1 C, 4 P)
• Postal system of Iran‎ (1 C, 4 P)
• Postal system of Iraq‎ (1 C, 3 P)
• Republic of Ireland postal system‎ (2 C, 10 P)
• Postal system of Italy‎ (3 C, 6 P)

J

• Postal system of Japan‎ (2 C, 3 P)
• Postal system of Jordan‎ (1 C, 1 P)

K

• Postal system of Kenya‎ (1 C, 5 P)

L

• Postal system of Liechtenstein‎ (2 P)
• Postal system of Lithuania‎ (1 C, 3 P)
• Postal system of Luxembourg‎ (3 P)

M

• Postal system of Malaysia‎ (5 P)
• Postal system of the Maldives‎ (1 P)
• Postal system of Malta‎ (2 C, 4 P)

N

• Postal system of Namibia‎ (3 P)
• Postal system of Nepal‎ (1 C, 2 P)
• Postal system of the Netherlands‎ (1 C, 12 P)
• Postal system of New Zealand‎ (2 C, 9 P)
• Postal system of Nicaragua‎ (1 C, 3 P)
• Postal system of Niger‎ (1 P)
• Postal system of Nigeria‎ (2 C, 5 P)
• Postal system of Norway‎ (1 C, 8 P)

P

• Postal system of Pakistan‎ (1 C, 7 P)
• Postal system of Palau‎ (1 C, 1 P)
• Postal system of Peru‎ (1 C, 2 P)
• Postal system of Poland‎ (1 C, 4 P)
• Postal system of Portugal‎ (1 C, 2 P)
• Postal system of the Philippines‎ (7 P)

R

• Postal system of Romania‎ (1 C, 1 P)
• Postal system of Russia‎ (4 C, 7 P)

S

• Postal system of San Marino‎ (2 P)
• Postal system of Saudi Arabia‎ (1 C, 3 P)
• Postal system of Singapore‎ (1 C, 2 P)
• Postal system of Slovakia‎ (3 P)
• Postal system of Slovenia‎ (1 C, 2 P)
• Postal system of South Africa‎ (1 C, 9 P)
• Postal system of South Korea‎ (3 P)
• Postal system of Spain‎ (2 C, 2 P)
• Postal system of Sri Lanka‎ (3 C, 6 P)
• Postal system of Switzerland‎ (1 C, 1 P)

T

• Postal system of Taiwan‎ (1 C, 6 P)
• Postal system of Thailand‎ (1 C, 2 P)
• Postal system of Togo‎ (1 C, 2 P)
• Postal system of Trinidad and Tobago‎ (3 P)
• Postal system of Turkey‎ (2 C, 6 P)
• Postal system of Turkmenistan‎ (1 P)

U

• Postal system of Ukraine‎ (1 C, 3 P)
• Postal system of the United Arab Emirates‎ (1 C, 1 P)
• Postal system of the United Kingdom‎ (7 C, 50 P)
• Postal system of the United States‎ (4 C, 5 P)
• Postal system of Uruguay‎ (1 C, 2 P)

Z

• Postal system of Zimbabwe‎ (1 C, 4 P)