Area Code 11 – New Delhi

Overview of Area Code 11

Area code 11 is the National Destination Code (NDC) for New Delhi, the capital of India, and its contiguous National Capital Region (NCR) areas under the Delhi Telecommunications District. This geographic code is assigned under the country calling code +91, following ITU-T E.164 standards. It covers the entirety of the National Capital Territory of Delhi, including central districts such as Connaught Place, New Delhi, and South Delhi, as well as extended areas like Noida, Gurugram, Faridabad, and Ghaziabad that fall within the NCR's unified dialing scheme.

Dialing Formats

For local callers within India, the format is 011-XXXX XXXX (where X represents the 8-digit subscriber number). When dialing from outside India, the international format is +91 11 XXXX XXXX or +91-11-XXXX XXXX. The leading '0' is a trunk prefix used only for domestic calls and must be omitted when dialing internationally.

Geographic Coverage and Administration

The numbering area is administered by Bharat Sanchar Nigam Limited (BSNL) and various private telecom operators under the Telecom Regulatory Authority of India (TRAI). The code serves both wireline (PSTN) and fixed wireless services. In recent years, number portability allows subscribers to retain their numbers when moving within the same geographic area, but the code remains associated with the Delhi region.

Caller Instructions

• Local callers (within India): Dial the trunk prefix '0', then '11', followed by the 8-digit local number. Example: 011 2345 6789.
• International callers: Dial your country's exit code (e.g., 00 or +), then India's country code 91, then 11, and the 8-digit number. Example: +91 11 2345 6789.

No overlay codes have been introduced; 11 remains the sole NDC for this region. Calls to Delhi from other Indian states are considered STD (Subscriber Trunk Dialing) and may incur applicable tariffs.