| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 221. | Anuppampattu B.O | 601203 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Minjur S.O | Ambattur H.O |
| 222. | Arambakkam B.O | 601201 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Gummidipundi | Tiruvallur | - | Gummidipundi S.O | Ambattur H.O |
| 223. | Arasur B.O | 601204 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Ponneri S.O | Ambattur H.O |
| 224. | Arignar Anna Nagar B.O | 600072 | Branch Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Pattabiram S.O | Avadi Camp H.O |
| 225. | Arni CPT S.O | 601101 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | 044-27927783 | - | Ambattur H.O |
| 226. | Athipattu B.O | 600058 | Branch Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | - | Ambattur Indl Estate S.O | Ambattur H.O |
| 227. | Avadi Camp H.O | 600054 | Head Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26385092 | - | - |
| 228. | Avadi IAF S.O | 600055 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26841239 | - | Avadi Camp H.O |
| 229. | Avadi S.O | 600054 | Sub Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26553130 | - | Avadi Camp H.O |
| 230. | Ayanambakkam B.O | 600095 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Maduravoyal S.O | Avadi Camp H.O |
| 231. | Ayapakkam B.O | 600077 | Branch Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Thiruverkadu S.O | Avadi Camp H.O |
| 232. | Boochiathipattu B.O | 600052 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Redhills S.O | Ambattur H.O |
| 233. | Budur B.O | 600067 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Sholavaram S.O | Ambattur H.O |
| 234. | Chinnambedu B.O | 601206 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Kavarapettai S.O | Ambattur H.O |
| 235. | CRP camp S.O (Tiruvallur) | 600065 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26842001 | - | Avadi Camp H.O |
| 236. | Cvrde S.O | 600054 | Sub Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26379143 | - | Avadi Camp H.O |
| 237. | Devadanam B.O | 601203 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Minjur S.O | Ambattur H.O |
| 238. | Devampattu B.O | 601201 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Gummidipundi | Tiruvallur | - | Gummidipundi S.O | Ambattur H.O |
| 239. | Edapalayam B.O | 600052 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Redhills S.O | Ambattur H.O |
| 240. | Edoor B.O | 601201 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Gummidipundi | Tiruvallur | - | Gummidipundi S.O | Ambattur H.O |
