| Post Office Name | Pincode | Office Type | Services | Location | Telephone | Departmental Information |
| Kilpennathur SO | 604601 | Sub Post Office (Delivery Office) | EMS (International Speed Post) E-Payment Epost IFS Inland Speed Post Instant Money Order International Mails Money Order Postal Banking Service Postal Life Insurance Postal Stationary Registered Posts | Tiruvannamalai taluk of Tiruvannamalai district, Tamil Nadu State | 09843113839 | Tiruvannamalai H.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Erumpoondi B.O | 604601 | Branch Post Office (Delivery Office) | | Tvmalai taluk of Tiruvannamalai district, Tamil Nadu State | | Kilpennathur SO in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Kikkalur B.O | 604601 | Branch Post Office (Delivery Office) | | Tiruannvmalai taluk of Tiruvannamalai district, Tamil Nadu State | | Kilpennathur SO in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Mekkalur B.O | 604601 | Branch Post Office (Delivery Office) | | Tiruvannamalai taluk of Tiruvannamalai district, Tamil Nadu State | | Kilpennathur SO in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Rayampettai B.O | 604601 | Branch Post Office (Delivery Office) | | Tvamalai taluk of Tiruvannamalai district, Tamil Nadu State | | Kilpennathur SO in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Sirunathur B.O | 604601 | Branch Post Office (Delivery Office) | | Tvamalai taluk of Tiruvannamalai district, Tamil Nadu State | | Kilpennathur SO in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Valudalangunam B.O | 604601 | Branch Post Office (Delivery Office) | | Tvamalai taluk of Tiruvannamalai district, Tamil Nadu State | | Kilpennathur SO in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
