Area Code 4463 – Bulacan

Overview of Area Code 4463

Area code 4463 is a geographic telephone prefix assigned to the province of Bulacan in the Philippines. It is part of the national numbering plan administered by the National Telecommunications Commission (NTC) and follows the ITU-T E.164 international standard. The prefix is used for fixed-line (PSTN) services within the province, covering both residential and business subscribers.

Geographic Coverage

Bulacan is a province in the Central Luzon region, located immediately north of Metro Manila. The area code 4463 serves the provincial capital, Malolos City, as well as major municipalities and cities including Meycauayan, Santa Maria, Bocaue, Marilao, and San Jose del Monte. This region is characterized by rapid urbanization and industrial growth, with many business process outsourcing (BPO) centers and manufacturing facilities.

Dialing Formats

For local calls within the Philippines, the national significant number (NSN) consists of the area code (2 digits) followed by the subscriber number (7 digits), resulting in a total of 9 digits. The local dialing format is: 0 44 63XXXXX (where '0' is the trunk prefix). For international callers, the country code +63 is used, and the leading '0' is dropped. The international format is: +63 44 63XXXXX.

Example: A subscriber number in Bulacan might be 63-12345. To call from within the Philippines, dial 044 63 12345. From abroad, dial +63 44 63 12345.

Calling Instructions

• Local callers (within Bulacan): Typically, you may need to dial the full 9-digit NSN (including area code) even for local calls, depending on the telephone exchange. It is recommended to always use the full format to avoid misdialing.
• Callers from other parts of the Philippines: Dial the trunk prefix '0', then the area code '44', followed by the subscriber number. Example: 0 44 63 12345.
• International callers: Dial your country's exit code (e.g., 00 or 011), then the Philippines country code '63', then the area code without the leading '0', and the subscriber number. Example: +63 44 63 12345.

Overlay and Numbering Considerations

As of the latest NTC assignments, there is no overlay code for Bulacan; the area code 44 is exclusive to the province. However, due to increasing demand, the NTC may introduce overlays in the future. Subscribers should always verify the correct dialing format with their service provider. Number portability for fixed lines is available within the Philippines, allowing users to retain their numbers when switching providers, subject to NTC regulations.