| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41. | Ariyapadi B.O | 632314 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | - | Kunnathur Arni S.O | Arni H.O |
| 42. | Arjunapuram B.O | 606905 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Polur | Tiruvannamalai | - | Santhavasal S.O | Tiruvannamalai H.O |
| 43. | Arni Fort S.O | 632301 | Sub Post Office | Non-Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arani | Tiruvannamalai | 04175-253067 | - | Arni H.O |
| 44. | Arni H.O | 632301 | Head Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | 04173-226909 | - | - |
| 45. | Arpakkam B.O | 606752 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai | Tiruvannamalai | - | Mangalam S.O (Tiruvannamalai) | Tiruvannamalai H.O |
| 46. | Arudirapattu B.O | 606806 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai | Tiruvannamalai | - | Pavithiram S.O | Tiruvannamalai H.O |
| 47. | Arugavur B.O | 604407 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Cheyyar | Tiruvannamalai | - | Tiruvettipuram S.O | Arni H.O |
| 48. | Arunagirichatram S.O | 632301 | Sub Post Office | Non-Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arani | Tiruvannamalai | 04175-253067 | - | Arni H.O |
| 49. | Arunthodu B.O | 604501 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Vandavasi | Tiruvannamalai | - | Desur S.O | Arni H.O |
| 50. | Athimoor Tindivanam B.O | 606803 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Polur | Tiruvannamalai | - | Polur S.O (Tiruvannamalai) | Tiruvannamalai H.O |
| 51. | Athipadi B.O | 606708 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Chengam | Tiruvannamalai | - | Tanipadi S.O | Tiruvannamalai H.O |
| 52. | Athurai B.O | 606902 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | - | Devikapuram S.O | Tiruvannamalai H.O |
| 53. | Athuvambadi B.O | 606907 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Polur | Tiruvannamalai | - | Vadamadimangalam S.O | Tiruvannamalai H.O |
| 54. | Avaniapuram B.O | 604504 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Cheyyar | Tiruvannamalai | - | Tirumani S.O | Arni H.O |
| 55. | Avur S.O | 606755 | Sub Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai Taluk | Tiruvannamalai | 04175-244235 | - | Tiruvannamalai H.O |
| 56. | Ayalpadi B.O | 604505 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Vandavasi | Tiruvannamalai | - | Vallam Arni S.O | Arni H.O |
| 57. | Ayyampalayam B.O | 606603 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai | Tiruvannamalai | - | Sriramanashramam S.O | Tiruvannamalai H.O |
| 58. | Ayyampalayam B.O | 632315 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | - | Onnupuram S.O | Arni H.O |
| 59. | Ayyankulam S.O | 606601 | Sub Post Office | Non-Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Tiruvannamalai | Tiruvannamalai | 04715-253067 | - | Tiruvannamalai H.O |
| 60. | Badur B.O | 604403 | Branch Post Office | Delivery | Tiruvannamalai | Chennai Region | Tamilnadu | Arni | Tiruvannamalai | - | Kilkodungalur S.O | Arni H.O |
