United States Postal Service
Postal code
Postal codes in France
Postal codes in Germany
Postal Reorganization Act
Semi-postal
U.S. postal abbreviations
Mail
Postal Index Number
Postal codes in Azerbaijan
Postal codes in Armenia
The Postal Service
Postal codes in Taiwan
Chinese postal romanization
Postage stamps and postal history of Macau
Going Postal
Audrey Hepburn (semi-postal)
Postal codes in Switzerland
Postal codes in Switzerland and Liechtenstein
List of postcode areas in the United Kingdom
Postal codes in the United Kingdom
List of postal codes in Austria