Area Code 1666 – Sirsa, Haryana
The phone area code for Sirsa, Haryana is 1666 (international format +911666). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 1666
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Sirsa, Haryana
Geographic Overview
The +91 1666 area code is a geographic National Destination Code (NDC) assigned to the Sirsa district in the state of Haryana, India. Sirsa is located in the western part of Haryana, bordering Punjab and Rajasthan. The region is primarily agrarian, with Sirsa city serving as the administrative headquarters. The area code covers the urban and rural areas within the district, including towns such as Ellenabad, Rania, and Dabwali (part of the Sirsa district).
Dialing Formats
For callers within India, the local dialing format for fixed-line numbers in Sirsa is: 01666-XXXXXX (where XXXXXX is the 6-digit subscriber number). For international callers, the format is +91 1666 XXXXXX. The total number length after the country code is 10 digits (including the area code).
When dialing from a mobile phone within India, it is common to use the full national format: 01666 XXXXXX. However, some mobile users may omit the leading '0' when dialing from within India, but the recommended format is with the trunk prefix '0'. For international calls, always replace the '0' with the country code '+91'.
Administrative and Regulatory Context
The 1666 area code is administered by the Bharat Sanchar Nigam Limited (BSNL) and other licensed telecom operators under the jurisdiction of the Department of Telecommunications (DoT), Government of India. As per the Telecom Regulatory Authority of India (TRAI) guidelines, this is a fixed-line (landline) service, and numbers are allocated to subscribers within the Sirsa telephone exchange area. The code is not portable to other geographic regions; it is tied to the PSTN exchange.
Caller Instructions
- Local callers (within Sirsa): If you are calling from a landline in the same area code, you may need to dial only the 6-digit subscriber number (depending on the local exchange). However, for clarity and to avoid issues, dial the full number with the area code: 01666-XXXXXX.
- National callers (outside Sirsa): Dial 01666-XXXXXX from any landline or mobile within India.
- International callers: Dial your country's exit code (e.g., 00 or +), then 91 1666 XXXXXX.
No overlay area code is currently active for Sirsa; the 1666 code is the sole geographic code for the district. As of the latest numbering plan, there are no plans for an overlay, but subscribers should be aware that TRAI periodically reviews numbering resources.
Potential Confusions
Some users may confuse 1666 with other Haryana codes like 1665 (Fatehabad) or 1668 (Hisar). Always verify the correct code when placing calls to ensure proper routing. For businesses, it is essential to display the number in international format (+91 1666 XXXXXX) on websites and global directories to facilitate international contact.