| Post Office Name | Pincode | Office Type | Services | Location | Telephone | Departmental Information |
| Vembakkam S.O | 604410 | 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 | Cheyyar taluk of Tiruvannamalai district, Tamil Nadu State | 04175253067 | Arni H.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Chithathur B.O | 604410 | Branch Post Office (Delivery Office) | | Cheyyaru taluk of Tiruvannamalai district, Tamil Nadu State | | Vembakkam S.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Kaganam B.O | 604410 | Branch Post Office (Delivery Office) | | Cheyyar taluk of Tiruvannamalai district, Tamil Nadu State | | Vembakkam S.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Namandi B.O | 604410 | Branch Post Office (Delivery Office) | | Cheyyar taluk of Tiruvannamalai district, Tamil Nadu State | | Vembakkam S.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Pillanthangal B.O | 604410 | Branch Post Office (Delivery Office) | | Vandavasi taluk of Tiruvannamalai district, Tamil Nadu State | | Vembakkam S.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Tiruppanangadu B.O | 604410 | Branch Post Office (Delivery Office) | | Cheyyar taluk of Tiruvannamalai district, Tamil Nadu State | | Vembakkam S.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
| Vengalathur B.O | 604410 | Branch Post Office (Delivery Office) | | Vandavasi taluk of Tiruvannamalai district, Tamil Nadu State | | Vembakkam S.O in Tiruvannamalai Division Chennai City Region Tamilnadu Circle |
