Area Code 124 – Gurgaon, Haryana
The phone area code for Gurgaon, Haryana is 124 (international format +91124). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 124
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📍 Geographic Location of Gurgaon, Haryana
Geographic Coverage and Administrative Jurisdiction
The +91 124 country calling code prefix is a geographic National Destination Code (NDC) assigned to the Gurgaon telephony district in the state of Haryana, India. This numbering area encompasses the city of Gurgaon (officially Gurugram), which serves as the administrative headquarters of the Gurugram district, as well as its surrounding suburban and semi-urban areas. The coverage zone includes key industrial and commercial hubs such as Manesar, Sohna, and Pataudi, along with numerous residential sectors and villages integrated into the Gurgaon urban agglomeration. As part of the National Capital Region (NCR), the Gurgaon numbering area is contiguous with the Delhi NCR ecosystem but operates under a distinct NDC due to its location within Haryana's state boundaries.
Dialing Formats and Number Structure
Within India, calls to Gurgaon numbers must be dialed using the trunk prefix '0' followed by the NDC '124' and the local subscriber number. The local subscriber number for landline connections in this area consists of 8 digits, resulting in a complete national significant number (NSN) of 10 digits (excluding the trunk prefix). For example, a typical Gurgaon landline number would be formatted as 0124-XXXX XXXX when dialed domestically. International callers must use the full E.164 format: +91 124 XXXX XXXX, omitting the leading '0' of the trunk prefix. It is important to note that the NDC '124' is not an overlay code; it is the sole geographic area code for this region, and no other NDC overlays exist within the same numbering area.
Caller Instructions and Practical Considerations
For local callers within Gurgaon, it is mandatory to include the area code even for calls to numbers in the same geographic region, as 8-digit local numbers cannot be dialed without the NDC. This is a standard practice across India's closed numbering plan. When calling from a mobile phone within India, the same domestic format (0124-XXXX XXXX) applies, regardless of the caller's location. Foreign callers should replace the '+' with their country's international exit code (e.g., '011' from the US, '00' from most European countries) before dialing the country code and NDC. For example, a caller in the UK would dial 00 91 124 XXXX XXXX. Businesses and residents in Gurgaon often provide their numbers in international format to facilitate seamless global communication, especially given the city's status as a major corporate and outsourcing hub.
Regulatory and Technical Notes
The allocation and management of the +91 124 NDC fall under the jurisdiction of the Department of Telecommunications (DoT), Ministry of Communications, Government of India. Numbering resources are assigned to access providers (fixed-line operators such as BSNL, Airtel, and Jio) operating within the Gurgaon service area. As with all geographic numbers in India, these lines are primarily used for PSTN and VoIP services, and number portability allows subscribers to retain their numbers when switching operators within the same geographic region. The prefix does not denote any specific operator, as multiple carriers operate within the same NDC. For accurate dialing, always verify the complete 10-digit number, as the NDC and subscriber number together form the unique national identifier.