Ariyalur is Taluka (Tehsil) in Tiruchirappalli district of Tamil Nadu state. Ariyalur has 10 areas (postal offices).
Ariyalur is a town and district headquarters of Ariyalur district in the South Indian state of Tamil Nadu. The town is located at a distance of 310 km (190 mi) from the state capital Chennai.
Ariyalur is believed to have obtained its name from Hari Nindra Oor, meaning the place where Hindu god Vishnu had his presence. Ariyalur was a part of the erstwhile Trichinopoly District until India's independence in 1947 and Tiruchirappalli district until 1995, Perambalur district until 2007 and subsequently a part of the newly formed Ariyalur district. The town is a part of the fertile Cauvery Delta and the major profession in the town is agriculture.
Ariyalur is administered by a municipality established in 1994. As of 2011, the municipality covered an area of 7.62 km2 (2.94 sq mi) and had a population of 28,902. Ariyalur comes under the Ariyalur assembly constituency which elects a member to the Tamil Nadu Legislative Assembly once every five years and it is a part of the Chidambaram constituency which elects its Member of Parliament (MP) once in five years. Roadways are the major mode of transportation to the town and it also has rail connectivity. The nearest seaport is Karaikal port, located 95 km (59 mi) away, while the nearest airport is the Tiruchirappalli International Airport, located 76 km (47 mi) away from the town.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 621651 | Kanakiliyanallur PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621652 | Malvoy PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621652 | Malvoy Kannanur PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621652 | Melarasur PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621706 | Mettupatti PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621651 | Peruvalappur PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621651 | Sirukalappur PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621706 | Sirumayankudi PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621706 | Thinniam PIN Code | Tiruchirappalli | Ariyalur | Branch Office |
| 621651 | Varakuppai PIN Code | Tiruchirappalli | Ariyalur | Branch Office |