| Post Office Name | Pincode | Office Type | Services | Location | Telephone | Departmental Information |
| Ariyalur Ariyalur SO | 621704 | Sub Post Office (Delivery Office) | Direct Post EMS (International Speed Post) E-Payment Epost IFS Inland Speed Post Instant Money Order International Mails Money Order National Bill Mail Service Postal Banking Service Postal Life Insurance Postal Stationary Postbag and Postbox Registered Posts | Ariyalur taluk of Ariyalur district, Tamil Nadu State | 09489807955 | Lalgudi HO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Ariyalur Collectorate S.O | 621704 | Sub Post Office (Non Delivery Office) | Direct Post EMS (International Speed Post) E-Payment Epost IFS Inland Speed Post Instant Money Order International Mails Money Order National Bill Mail Service Postal Banking Service Postal Life Insurance Postal Stationary Registered Posts | Ariyalur taluk of Ariyalur district, Tamil Nadu State | 09445760013 | Lalgudi HO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Hasthinapuram B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Inamattur B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Periyavenmani B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Siruvalur B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Subbarayapuram B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Thavuthaikulam B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Valajanagaram B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Varanavasi B.O | 621704 | Branch Post Office (Delivery Office) | | Ariyalur taluk of Ariyalur district, Tamil Nadu State | | Ariyalur Ariyalur SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
