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Philippine Standard Geographic Code (PSGC)

TECHNICAL NOTES

Structure of the PSGC

Inter-Level Codes

Region Code. This is a two-digit code number that identifies a specific region. It ranges from 01 to 99. Generally, the Region Code corresponds to the Region number (e.g., Region Code 01 refers to Region 1, 02 refers to Region 2, etc.)

Province Code. This is a two-digit code number that identifies the province. It ranges from 01 to 99, generally defining the relative alphabetic sequence of all provinces in the country except those created after 1977 which were added to the list following the updating procedures in Section 2.2.2. A Province Code is independent from a Region Code. This means that even if the province is transferred to another region, its Province Code remains the same.

Municipality Code. This is a two-digit code that generally defines the relative alphabetical sequence of the municipalities within the province. It ranges from 01 to 99. Municipality Code 01 means it is the first municipality

in alphabetical sequence within that province. The Municipality Code is dependent upon the Province Code to fully establish the identity of municipality. This two-digit code is used to identify the municipalities, cities or municipal districts in a particular province. In the case of the first regional district (City of Manila) of Metropolitan Manila Area (National Capital Region), the fourteen city districts of the City of Manila are treated as municipalities.

Barangay Code. This is a three-digit code number which generally defines the relative alphabetical sequence of the barangays within the municipality. The code ranges from 001 to 999. Barangay Code 010 means it is the 10th barangay in alphabetical4 sequence within that municipality. The Barangay Code is dependent upon the Municipality Identifier to fully establish the identity of a given barangay.

Municipality Identifier

The Municipality Identifier is the core of the national standard geographic classification system. This is composed of the Province Code followed by the Municipality Code. The Municipality Identifier is a four-digit number that defines the identity of the municipality.

Illustration: 

The municipality Identifier 7310. The first two-digits 73 is the Province Code for the province of Zamboanga del Sur. The last two-digits 10 is the Municipality Code. This means that it is the 10th municipality within the province of Zamboanga del Sur, which in this instance is Kabasalan. The Municipality Identifier 7310 would therefore define Kabasalan, Zamboanga del Sur.

Continous addition of newly created barangays as a result of periodic updating resulted in the discontinous alphabetic arrangement of barangays in the later portion of the list.

Municipality Code Dependent on Province Code. It will be noted from the above illustration that the Municipality Code only provides for the relative alphabetical sequence of the municipality within the province (e.g. 1st, 2nd, 3rd, etc.). By itself it is not sufficient to define the municipality. However, when the same is attached to the Province Code, it acquires a unique meaning. For the Municipality Identifier 7310, there is only one municipality within Zamboanga del Sur whose code is 10, and this is the municipality of Kabasalan. Hence, the Municipality Identifier (Province Code and Municipality Code) defines the unique identity of the Municipality/City. City Identifier of a Highly Urbanized City (HUC) or Independent Component City (ICC) does not mean that the HUC or ICC is administratively under the province. It merely means that the HUC or the ICC is geographically located within the boundary of the province.

Municipality Identifier Independent of Region Code. As has been pointed out, the Municipality Identifier not only identifies the municipality but also the province to which it belongs. An added feature of the Municipality Identifier is its independence from the Region Code. Regardless of the Region, the Municipality Identifier for Kabasalan will remain 7310 as long as it is part of Zamboanga del Sur.

Barangay Identifier

Illustration: 

Barangay Identifier 7310001. The first four digits 7310 is the Municipality Identifier as fully explained in section 4.2. The last three digits 001 is the Barangay Code which refers to the first barangay within the municipality with Municipality Identifier 7310. Barangay Code 001, in this case, refers to Barangay Balongis. Thus, Barangay Identifier 7310001 means Barangay Balongis in Kabasalan, Zamboanga del Sur.

Barangay Code Dependent on Municipality Identifier. The Barangay Code only provides for the relative alphabetical sequence of the barangays in the municipality. Barangay Code 001 means it is the first barangay in the alphabetical sequence. By itself the Barangay Code is not sufficient to define the identity of the barangay. However, when the Barangay Code is attached to a Municipality Identifier, the result is a unique code which fully establishes the identity of the barangay. In Barangay Identifier 7310001 there is only one barangay in the entire Philippines with such code number, and that is Barangay Balongis in Kabasalan, Zamboanga del Sur.

Hierarchy of Recapitulation

(09) - 7310-001 : Barangay Identifier, with Region Code prefixed. This gives the details on the barangay level. By definition, the aggregate of all barangays in a municipality defines the municipality.

(09) - 7310 : Municipality Identifier, with Region Code prefixed. This gives the details on the municipality level. The aggregate of all municipalities defines the province.

0973 : Region and Province Code. This is the recapitulation of details by province, within each region.

Agency Unique Requirement

The Philippine Standard Geographic Code establishes standardization for the following: Region, Province, Municipality and Barangay. This however, does not preclude an agency from devising additional sub-categorization on geographic area units geared purely to its operational functions to meet its unique requirements.

A good case in point here is the unique requirement of National Statistics Office (NSO) in statistical surveying functions. In addition to the Region, Province, Municipality and Barangay Code, it needs additional coding for the Enumeration District (ED) as well as rural and urban classification. This is purely a unique requirement of the NSO to monitor and enhance its survey operations. Other agencies may have similar unique requirements.

In order to effect standardization and at the same time be responsive to the unique operational requirements of an agency, the following guidance was established:

(1) The whole string of digits representing the Region Code, the Province Code, the Municipality Code, and the Barangay Code shall remain standardized for all agencies in the government. The sequence in the code structure must be maintained as standardized.

(2) Any other unique code that may be devised by an agency could be added to the basic standard geographic code, provided the structure of the standard geographic code is not altered.

(3) The concerned agency should inform the Code Administrator of the PSGC of any unique code application.

STRUCTURE OF THE
PHILIPPINE STANDARD GEOGRAPHIC CODE

 

Philippine Standard Geographic Codes

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Articles

Introduction
 • Foreword
 • Preface
 • NSCB Resolution
 • Memorandum
 • TWG Members

 • E.O. 36
 • E.O. 103
 • E.O. 108
 • E.O. 429

 • A.O 129

 • P.D. 465

Technical Notes
 • Background
 • Preparation Procedures
 • Salient Features
 • Structure
 • Updating Procedures
 • Uses

Concepts and Definitions
 • Local Government Units
 • City Classification
 • Urban/Rural Classification
 • Income Classification

             
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