Area Code 6 – Mobile Network
The phone area code for Mobile Network is 6 (international format +916). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 6
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Overview of India's Mobile Prefix 6
In the Indian numbering plan, as per the National Numbering Plan (NNP) and ITU-T E.164 recommendations, mobile numbers are non-geographic and are identified by the first digit of the 10-digit subscriber number. The digit '6' is one of the designated mobile prefixes (along with 7, 8, and 9) used by all Mobile Network Operators (MNOs) and Mobile Virtual Network Operators (MVNOs) in the country. This means that a number starting with '6' does not indicate a specific geographic region; instead, it signifies that the number is part of the national mobile telephony service.
Number Structure and Dialing Format
An Indian mobile number with prefix '6' is a 10-digit number, formatted as 6XXXXXXXXX. When dialed from within India, the full national significant number (NSN) is used without any trunk prefix, as India uses a closed dialing plan for mobile numbers. For example, to call a mobile number like 6123456789 from any landline or mobile within India, you simply dial 6123456789. However, when dialing from outside India, the country code +91 must be added, resulting in the international format: +91 6123456789. This format is essential for international callers and for routing SMS messages.
Mobile Network Operators and Portability
The prefix '6' is not assigned to a single operator; rather, it is shared across all licensed operators, including major MNOs like Jio, Airtel, Vi (Vodafone Idea), and BSNL, as well as various MVNOs. This is possible due to Mobile Number Portability (MNP), which allows subscribers to retain their number when switching operators. Consequently, the prefix alone cannot be used to identify the current network of a subscriber. To determine the actual operator, one must consult the MNP database or use a number lookup service.
International SMS and Voice Routing
For international communications, the prefix '6' is part of the E.164 number, and calls or SMS to such numbers are routed via international gateways. The Indian telecom regulator (TRAI) mandates that all international calls to Indian mobile numbers be delivered with the correct country code and number. There are no special restrictions for calling numbers starting with '6' from abroad; they are treated as standard mobile numbers.
Usage and Consumer Guidance
For businesses and individuals, understanding that '6' is a mobile prefix is crucial for customer outreach and verification. When receiving calls from unknown numbers starting with '6', it is likely a mobile call. For callers, it is important to note that mobile numbers in India are not charged differently based on the prefix; however, call rates may vary depending on the operator and the plan. Always ensure you have the correct 10-digit number and the appropriate country code when dialing from overseas.