| Post Office Name | Pincode | Office Type | Services | Location | Telephone | Departmental Information |
| Kallathur Thandalai SO | 621803 | 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 Registered Posts | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | 09488513913 | Lalgudi HO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Anikduichan B.O | 621803 | Branch Post Office (Delivery Office) | | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Eravangudi B.O | 621803 | Branch Post Office (Delivery Office) | | Jayamkondcholapuram taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Kalleri B.O | 621803 | Branch Post Office (Delivery Office) | | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Kattathur B.O | 621803 | Branch Post Office (Delivery Office) | | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Koovathur B.O | 621803 | Branch Post Office (Delivery Office) | | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Kulathur B.O | 621803 | Branch Post Office (Delivery Office) | | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Kumiliankuli B.O | 621803 | Branch Post Office (Delivery Office) | | Udayarpalayam taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Vadugarpalayam B.O | 621803 | Branch Post Office (Delivery Office) | | Jayamkondocholapuram taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
| Vettiarvettu B.O | 621803 | Branch Post Office (Delivery Office) | | Jayamkondocholapuram taluk of Ariyalur district, Tamil Nadu State | | Kallathur Thandalai SO in Tiruchirapalli Division Central Region, Trichirapalli Tamilnadu Circle |
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