| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21. | Alividaithangi B.O | 604402 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Cheyyar | Tiruvannamalai | - | Hasanamapettai S.O | Arni H.O |
| 22. | Allialamangalam B.O | 606904 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Polur | Tiruvannamalai | - | Mandakolathur S.O | Tiruvannamalai H.O |
| 23. | Allikondapattu B.O | 606753 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai | Tiruvannamalai | - | Vanapuram S.O | Tiruvannamalai H.O |
| 24. | Alliyandal B.O | 604503 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | - | Tiruvannamalai | - | Pernamallur S.O | Arni H.O |
| 25. | Ammapalayam B.O | 632315 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | - | Onnupuram S.O | Arni H.O |
| 26. | Ammayapattu B.O | 604408 | Branch Post Office | Non-Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Vandavasi | Tiruvannamalai | - | Vandavasi S.O | Arni H.O |
| 27. | Amudur B.O | 604405 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Vandavasi | Tiruvannamalai | - | Marudadu S.O | Arni H.O |
| 28. | Ananthapuram B.O | 632315 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | - | Onnupuram S.O | Arni H.O |
| 29. | Anapathur B.O | 604401 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Cheyyar | Tiruvannamalai | - | Anukkavoor S.O | Arni H.O |
| 30. | Andampallam B.O | 606804 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai | Tiruvannamalai | - | Tandarai S.O | Tiruvannamalai H.O |
| 31. | Andipattu B.O | 606703 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Chengam | Tiruvannamalai | - | Melpallipattu S.O | Tiruvannamalai H.O |
| 32. | Anmarudai B.O | 604504 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Cheyyar | Tiruvannamalai | - | Tirumani S.O | Arni H.O |
| 33. | Anukkavoor S.O | 604401 | Sub Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Vandavsi | Tiruvannamalai | 04175-253067 | - | Arni H.O |
| 34. | Aradapattu B.O | 606808 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Thandrampattu | Tiruvannamalai | - | Kattampoondi S.O | Tiruvannamalai H.O |
| 35. | Arasampattu B.O | 606807 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Vandavasi | Tiruvannamalai | - | Nedungunam S.O | Arni H.O |
| 36. | Arasanipalai B.O | 631702 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Cheyyar | Tiruvannamalai | - | Mamandur Kanchipuram S.O | Arni H.O |
| 37. | Arasankanni B.O | 606703 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Chengam | Tiruvannamalai | - | Melpallipattu S.O | Tiruvannamalai H.O |
| 38. | Arasur B.O | 604408 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | - | Tiruvannamalai | - | Vandavasi S.O | Arni H.O |
| 39. | Arattavadi B.O | 606709 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Chengam | Tiruvannamalai | - | Thukkapettai S.O | Tiruvannamalai H.O |
| 40. | Arayalam B.O | 632326 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Polur | Tiruvannamalai | - | Susainagar S.O | Arni H.O |
