Area Code 83 – South Cotabato
The phone area code for South Cotabato is 83 (international format +6383). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of South Cotabato
Overview of Area Code 83
Area code 83 is a geographic National Destination Code (NDC) assigned to the southern part of the Philippines, primarily covering the province of South Cotabato and its surrounding areas. This code is part of the Philippine numbering plan, which follows ITU-T E.164 recommendations. When dialing internationally, the full number format is +63 83 XXX XXXX (or +63 83 XXX XXXX for landlines).
Geographic Coverage
The 83 area code serves the province of South Cotabato, including its capital, Koronadal City, and the highly urbanized city of General Santos (often abbreviated as GenSan). It also covers nearby municipalities such as Polomolok, Tupi, Tampakan, and Banga. These areas are part of the Soccsksargen region (Region XII). The code is used for fixed-line telephone services, including PSTN and some VoIP-based landlines.
Dialing Formats
- Local calls (within the same area code): Dial the 7-digit subscriber number directly (e.g., XXX XXXX).
- Domestic long-distance calls (from other Philippine area codes): Dial 0 + 83 + subscriber number (e.g., 0 83 XXX XXXX).
- International calls (from outside the Philippines): Dial your country's exit code (e.g., 00, 011) + 63 + 83 + subscriber number (e.g., +63 83 XXX XXXX).
Important Dialing Considerations
When calling a landline in South Cotabato from a mobile phone within the Philippines, you must include the area code (0 83) even if you are physically in the same region, unless you are using a fixed line within the same exchange. For international callers, it is crucial to drop the leading '0' of the domestic trunk prefix and use '+63' instead. For example, a Koronadal City landline number might be +63 83 228 1234.
As of the latest updates, there are no overlay area codes in the Philippines, meaning 83 is the sole code for this region. However, with the rise of VoIP and mobile services, some businesses may use non-geographic numbers, but traditional landlines remain tied to this geographic code.
For travelers or businesses, it is important to note that calls to 83 numbers are billed as domestic long-distance when dialed from other parts of the Philippines, and international rates apply when dialed from abroad. Always verify the complete number with your contact, as the 7-digit subscriber number is essential for successful connection.