Two examples of postal zip codes in the Philippines are 2821 for Lacub in Abra and 1214 for Cembo in Makati. According to the Philippines Zip Code Directory, two groups of zip codes exist in the Philippines: provincial zip codes and metro manila zip codes.
Philpost is the Philippine Postal Corporation, and it began using postal "ZIP" (Zone Improvement Plan) codes after the United States. Postal zip codes in the Philippines are four digits, while the United States uses five-digit zip codes with an additional four digits for delivery accuracy. The Philippines' land area is approximately 116 square miles, which is about the size of Arizona or Italy.