Area Code 283 – Tegal/Brebes

Overview of Area Code +62 283

Area code 283 is a geographic National Destination Code (NDC) within the Indonesian numbering plan, assigned to the Tegal and Brebes regions in the northern part of Central Java. This code covers the municipalities of Tegal City and Brebes Regency, as well as the surrounding districts that rely on these administrative centers for telecommunications services. The region is served by both fixed-line PSTN and VoIP-based local carriers, with the code being mandatory for all calls terminating within this geographic area.

Geographic Coverage and Administrative Jurisdiction

The 283 area code encompasses the following key areas:

• Tegal City – the principal urban center, known for its port and industrial activity.
• Brebes Regency – a major agricultural region, often referred to as the 'shallot city' of Indonesia.
• Surrounding districts such as Slawi, Adiwerna, and Balapulang, which are part of the Tegal metropolitan area.

Administratively, these areas fall under the province of Central Java (Jawa Tengah). The code is managed by the Indonesian Telecommunication Regulatory Authority (BRTI) and allocated to local fixed-line operators, including Telkom Indonesia and other regional providers.

Dialing Formats and Number Structure

When dialing a fixed-line number in the Tegal/Brebes area, the standard national format is:

• 0 283 XXX XXXX – for calls made from within Indonesia (outside the local area).
• 0283 XXX XXXX – for local calls within the same area code, where the leading '0' is often dropped.
• +62 283 XXX XXXX – for international callers, replacing the leading '0' with the country code +62.

For example, a local number in Tegal might be 0283 123 4567. From overseas, you would dial +62 283 123 4567. The total subscriber number length after the area code is typically 7 digits, but may vary depending on the operator and the specific service.

Caller Instructions

For callers within Indonesia: If you are dialing from outside the 283 area (e.g., from Jakarta), you must use the trunk prefix '0' followed by the area code: 0 283 XXX XXXX. If you are within the same area code, you can often dial just the subscriber number, but it is safer to include the area code to avoid misrouting, especially with mobile numbers.

For international callers: Dial your country's international access code (e.g., 011 from the US, 00 from most European countries), then Indonesia's country code 62, followed by the area code without the leading '0', and the subscriber number: +62 283 XXX XXXX.

Overlay and Numbering Considerations

Currently, there is no overlay code for the 283 area; it remains a standalone geographic code. However, with the growth of VoIP and fixed-wireless services, some numbers may be assigned to non-geographic services, but the code itself retains its geographic designation. Always verify the number's authenticity when receiving calls from this area, as caller ID spoofing is possible.