Area Code 853 – Mobile Network
The phone area code for Mobile Network is 853 (international format +62853). Browse local exchange codes (NXX) and carrier assignments below.
Overview of Indonesia Mobile Prefix 853
The +62 853 prefix is a non-geographic mobile network code assigned within Indonesia's national numbering plan, adhering to ITU-T E.164 standards. Unlike geographic area codes that correspond to specific cities or regions, 853 is part of the mobile services allocation, enabling nationwide connectivity without location-based restrictions. This prefix is utilized by mobile network operators (MNOs) and mobile virtual network operators (MVNOs) to deliver voice, SMS, and data services across the archipelago.
Technical Specifications and Formatting
Numbers bearing the 853 prefix follow a standard structure: the country code +62, followed by the national significant number (NSN) of 9 to 10 digits, which includes the prefix 853 and the subscriber number. For example, a typical Indonesian mobile number might be formatted as +62 853-XXXX-XXXX when dialed internationally. Domestically, callers dial 0853-XXXX-XXXX, omitting the country code and using the leading '0' trunk prefix. This format is consistent with other Indonesian mobile prefixes, ensuring seamless interoperability across networks.
Number Portability and Routing
Indonesia implemented mobile number portability (MNP), allowing subscribers to retain their 853 numbers when switching operators. Consequently, the prefix does not definitively indicate the current service provider, as the number may have been ported. Routing is managed through a centralized database that ensures calls and messages are directed to the correct network, regardless of the original allocation.
International Dialing and SMS
For international callers, dialing +62 853-XXXX-XXXX is required. SMS messages to 853 numbers should also use the international format (+62853...). It is important to note that the leading '0' is dropped when adding the country code. This prefix supports standard GSM/UMTS/LTE services, including international roaming, subject to the subscriber's plan and operator agreements.
Regulatory and Commercial Aspects
The 853 prefix is regulated by the Indonesian Ministry of Communication and Information Technology (Kominfo). It is allocated to operators such as Telkomsel (under its various brands) and other licensed carriers. The prefix is widely used across the country, serving both urban and rural populations. As with all Indonesian mobile numbers, users should be aware of potential charges for calls and data, which vary by operator and plan.