| Village | Koilkannappur |
| Block | Kilvelur |
| District | Nagapattinam |
| State | Tamil Nadu |
| Country | India |
| Continent | Asia |
| Time Zone | IST ( UTC + 05:30) |
| Currency | Indian Rupee ( INR ) |
| Dialing Code | +91 |
| Date format | dd/mm/yyyy |
| Driving side | left |
| Internet cTLD | in |
| Language | Tamil |
| Time difference | 10 minutes |
| Latitude | 10.766359 |
| Longitude | 79.842335 |
Koilkannappur is a village panchayat located in the Nagapattinam district of Tamil-Nadu state,India. The latitude 10.766359 and longitude 79.842335 are the geocoordinate of the Koilkannappur.
The surrounding nearby villages and its distance from Koilkannappur are Anthakudi , Okkur , Pattamangalam , Valivalam , Sigar , Venmani , Thevur , Eluppur , Athipuliyur , Kurukkathi , Kilvelur , Killukudi , Mohanur , Vandalur , Therkupanaiyur , 64 Manalur , Erukkai , Kootthur , 105 Manalur , Adhamangalam , Vadakarai , 119 Anakudi , 75 Anakudi , Agarakadambunur , Anaimangalam , Ervanchery , Kakkazhani , Kodiyalathur , Kohoore , Korathankudi , Kurumanankudi , Radamangalam , Satiyakudi , Serunallur , Thirukannankudi , Vadakalathur , Vadakkupanaiyur , Venkidangal .
The native language of Koilkannappur is Tamil and most of the village people speak Tamil. Koilkannappur people use Tamil language for communication.
Koilkannappur village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Koilkannappur sun rise time varies 10 minutes from IST. The vehicle driving side in Koilkannappur is left, all vehicles should take left side during driving. Koilkannappur people are using its national currency which is Indian Rupee and its internationl currency code is INR. Koilkannappur phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Koilkannappur people are following the dd/mm/yyyy date format in day-to-day life. Koilkannappur domain name extension( cTLD) is .in .