Ariyalur is Taluka (Tehsil) in Ariyalur district of Tamil Nadu state. Ariyalur has 88 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 |
|---|---|---|---|---|
| 621719 | Alathiyur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Allinagaram PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Ambapur PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621713 | Ameenabad PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621718 | Anandavadi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Annanagar PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621851 | Aranmanaikurichi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Ariyalur Ariyalur PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621704 | Ariyalur Bazaar PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621729 | Ariyalur Cement Factory PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621707 | Arungal PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621719 | Asaveerankudikadu PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621705 | Ayanathur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621709 | Ayantattanur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621719 | Edayakurichi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Edayathangudi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Govindapuram PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Govindaputhur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Hasthinapuram PIN Code | Ariyalur | Ariyalur | Branch Office |
| 612904 | Idanganni PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Iluppaikudi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621718 | Iluppaiyur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Inamattur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 612904 | Irugaiyur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Kadambur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Kadugur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Kallankurichi PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621707 | Karuppilakattalai PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Karuppur Senapathy PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Kavanur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Kilaiyur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621710 | Kilamaligai PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Kilamathur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Kilapaluvur PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621719 | Kodukkur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621714 | Kulumur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621710 | Kuvagam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Lingathadimedu PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Malathankulam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Manakkal Ariyalur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621719 | Manakudayan PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Manakudi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621709 | Manapathur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621715 | Manjamedu Karaipakkam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621710 | Marudur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621710 | Maruvathur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 612904 | Naduvalur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Nagamangalam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621714 | Nakkambadi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | O Koothur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Ottakoil PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621651 | Palanganatham PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Peraiyur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621719 | Periyakurichi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Periyanagalur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Periyavenmani PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Pilimisai PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621710 | Ponparappi PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621718 | Pottaveli PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621718 | Poyyadhanallur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621851 | Pudukkottai Tirumalaivadi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Pungangudi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621713 | Rajajinagar Ariyalur PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621718 | Rayambaram PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621704 | Reddipalayam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Sathambadi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621714 | Sendurai Ariyalur PIN Code | Ariyalur | Ariyalur | Sub Office |
| 621718 | Sennivanam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621730 | Siluppanur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621710 | Sirukalathur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Siruvalur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Srinivasapuram PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Subbarayapuram PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Suthamalli PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621705 | Tamaraikulam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Telur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Thavuthaikulam PIN Code | Ariyalur | Ariyalur | Branch Office |
| 612904 | Thengachiperumalnatham PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621719 | Thular PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621701 | Thuthur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621715 | Tiruppeyar PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621714 | Unjini PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Valajanagaram PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Varanavasi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 612904 | Vazhaikurichi PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621718 | Vellur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621707 | Vettiyur PIN Code | Ariyalur | Ariyalur | Branch Office |
| 621704 | Vilangudi PIN Code | Ariyalur | Ariyalur | Branch Office |