Area Code 634 – Padang Sidempuan/Sipirok
The phone area code for Padang Sidempuan/Sipirok is 634 (international format +62634). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Padang Sidempuan/Sipirok
Geographic Coverage and Administrative Jurisdiction
The area code 634 is a geographic National Destination Code (NDC) within the Indonesian numbering plan, assigned to the region encompassing Padang Sidempuan and Sipirok in the province of North Sumatra (Sumatera Utara). This code serves the city of Padang Sidempuan (often written as Padangsidimpuan) and the surrounding Sipirok district, including smaller towns and villages within the administrative boundaries. The region is located in the southern part of North Sumatra, near the border with West Sumatra, and is an important economic and cultural hub for the Mandailing ethnic group.
Dialing Formats and Caller Instructions
For callers within Indonesia, the domestic trunk prefix 0 must be dialed before the area code. Thus, a local number in Padang Sidempuan is reached by dialing 0-634-XXXXXXX, where the subscriber number typically consists of 5 to 7 digits. For example, a typical local number might be 0634-12345 (domestic format).
For international callers, the Indonesian country code +62 replaces the leading 0. Therefore, the same number is dialed as +62-634-XXXXXXX (international format). For instance, if the domestic number is 0634-12345, the international dialing format would be +62 634 12345. It is crucial to omit the leading zero after the country code.
Overlay and Numbering Considerations
As of the current numbering plan, there is no overlay code for the 634 area; it remains a standalone geographic code. However, subscribers may have migrated to VoIP or mobile services, but landline numbers retain the 634 prefix. The number length after the area code can vary, so callers should confirm the exact subscriber number with the recipient.
Practical Usage
This area code is used for fixed-line services (PSTN) and may also be used by some VoIP providers offering local numbers. When dialing from a mobile phone within Indonesia, the same domestic format (0634-XXXXXXX) applies. For callers outside Indonesia, using the +62 format ensures proper international routing. Always check with your service provider for any additional international dialing prefixes (e.g., 011 from the US).