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In thePhilippines, aZIP code is used by thePhilippine Postal Corporation (PhlPost) to simplify the distribution of mail.[1][2] While its function similar with theZIP Codes used in theUnited States, its form and usage are quite different. Its use is not mandatory but highly recommended by the PhlPost. A ZIP code is composed of a four-digit number representing a locality. Usually, more than one code is issued for areas within Metro Manila, and a single code for each municipality and each city in provinces, with exceptions such as:[1]
Additionally, locations such asBasilio Fernando Air Base,Cesar Basa Air Base,Central Luzon State University,Clark Special Economic Zone,Mactan-Cebu International Airport,Francisco Bangoy International Airport, Laguna Technopark,Ninoy Aquino International Airport (NAIA),Manila Domestic Airport (NAIA Terminals 2 & 4),Philippine Military Academy,University of Mindanao,University of the Philippines Los Baños (College Los Baños), andVillamor Air Base have one code each.[1]
A bill currently in theHouse of Representatives is set to expand the ZIP code from a four-digit numeric system to a seven-letter alphanumeric code, more clearly encoding the region, city, and barangay.[4]