Area Code 341 – Malang/Batu

Geographic Coverage and Administrative Jurisdiction

Area code 341 is a geographic National Destination Code (NDC) assigned to the Malang and Batu regions in the province of East Java, Indonesia. This code covers the administrative city of Malang (Kota Malang), the municipality of Batu (Kota Batu), and the surrounding regency (Kabupaten Malang), including districts such as Kepanjen, Singosari, Lawang, and Tumpang. The service area is part of the larger Brantas River basin and is served by both PSTN and VoIP infrastructure.

Dialing Formats and Call Routing

For domestic callers outside the 341 area, the correct dialing format is 0341-XXXXXXX (or 0341-XXX XXX for shorter local numbers). Within the 341 area, local calls can be made using the seven-digit subscriber number without the trunk prefix 0 and the area code. International callers must use the full E.164 format: +62 341 XXXXXXX, replacing the leading zero with the country code 62. For example, a landline in Malang with the number 0341-562345 would be dialed as +62 341 562345 from abroad.

Numbering Structure and Overlay Considerations

Indonesian geographic numbers typically consist of a 1-4 digit area code followed by a 7-8 digit subscriber number. In the 341 area, subscriber numbers are generally seven digits, resulting in a total national significant number (NSN) length of 10 or 11 digits when including the leading trunk prefix. As of the latest ITU-T recommendations, no overlay code has been introduced for Malang/Batu; the 341 code remains the sole geographic identifier for this region. However, due to the growth of VoIP and mobile services, some numbers may be routed over IP networks, but the dialing format remains unchanged.

Caller Instructions

• Local callers (within 341): Dial only the 7-digit subscriber number.
• Domestic long-distance callers: Dial 0 followed by 341 and the subscriber number.
• International callers: Dial your country's exit code, then 62, then 341, and the subscriber number (omit the leading 0).

For example, to call a business in Malang from the United States, you would dial: 011 62 341 1234567. From the UK, it would be 00 62 341 1234567.

Regulatory and Technical Notes

Numbering in Indonesia is regulated by the Ministry of Communication and Information Technology (Kominfo) and follows the ITU-T E.164 recommendation. The 341 code is part of the national numbering plan, and number portability is not yet widely available for geographic fixed-line numbers, meaning that changing service providers may require a number change. For accurate billing and routing, always verify the current dialing procedures with your local telecom operator.