| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 61. | Kalmelkuppam B.O | 632501 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Ammoor S.O | Ranipet H.O |
| 62. | Kaniyanur B.O | 632506 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | - | Kalavai S.O | Ranipet H.O |
| 63. | Karai S.O | 632404 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | 04172-272244 | - | Ranipet H.O |
| 64. | Karikkal B.O | 631102 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Sholingur S.O | Arakkonam H.O |
| 65. | Karikkanthangal B.O | 632506 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | - | Kalavai S.O | Ranipet H.O |
| 66. | Karnambut B.O | 632519 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | - | Vellore | - | Vellore Sugar Mills S.O | Ranipet H.O |
| 67. | Karnavur B.O | 631052 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Panapakkam S.O | Arakkonam H.O |
| 68. | Katrambakkam B.O | 632501 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Ammoor S.O | Ranipet H.O |
| 69. | Kattupakkam B.O | 632502 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Anvardhikhanpet S.O | Arakkonam H.O |
| 70. | Kavanur B.O | 631004 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Ekhunagar S.O | Arakkonam H.O |
| 71. | Kavanur S.O | 632507 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | 04172-272244 | - | Ranipet H.O |
| 72. | Kaveripak S.O | 632508 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | 04177-254225 | - | Ranipet H.O |
| 73. | Keerasathu B.O | 632514 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Katpadi | Vellore | - | Ponnai S.O | Arakkonam H.O |
| 74. | Kesavanankuppam B.O | 631102 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Sholingur S.O | Arakkonam H.O |
| 75. | Kilandur B.O | 631003 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Jothinagar S.O | Arakkonam H.O |
| 76. | Kilandurai B.O | 631002 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Palanipet S.O | Arakkonam H.O |
| 77. | Kilkuppam B.O | 631004 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Ekhunagar S.O | Arakkonam H.O |
| 78. | Kilminnal B.O | 632517 | Branch Post Office | Non-Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Ratnagiri Kilminnal S.O | Ranipet H.O |
| 79. | Kilpakkam B.O | 631003 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Jothinagar S.O | Arakkonam H.O |
| 80. | Kilveedhi B.O | 632502 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Anvardhikhanpet S.O | Arakkonam H.O |
