| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 121. | Natham-chengalpattu S.O | 603002 | Sub Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | 044-27423535 | - | Chengalpattu H.O |
| 122. | Nedumaram B.O | 603305 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Madurantakam | Kanchipuram | - | Kuvathur S.O | Chengalpattu H.O |
| 123. | Neerpair B.O | 603313 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Cheyur | Kanchipuram | - | Chithamur S.O | Chengalpattu H.O |
| 124. | Nellikuppam B.O | 603108 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | - | Sembakkam S.O | Chengalpattu H.O |
| 125. | Nelvoy B.O | 603107 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Maduranthakam | Kanchipuram | - | Salavakkam S.O | Chengalpattu H.O |
| 126. | Nenmeli B.O | 603003 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | - | Vallam S.O | Chengalpattu H.O |
| 127. | Nerkunam B.O | 603310 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | - | Thozhupedu S.O | Chengalpattu H.O |
| 128. | Nerkunapattu B.O | 603305 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | - | Kuvathur S.O | Chengalpattu H.O |
| 129. | New Mambakkam B.O | 603306 | Branch Post Office | Non-Delivery | Chengalpattu | Chennai Region | Tamilnadu | - | Kanchipuram | - | Madurantakam S.O | Chengalpattu H.O |
| 130. | Ninnakarai B.O | 603203 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | - | Kanchipuram | - | Kattankolathur S.O | Chengalpattu H.O |
| 131. | Nugumbal B.O | 603313 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | - | Kanchipuram | - | Chithamur S.O | Chengalpattu H.O |
| 132. | Olaiyur B.O | 603107 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Uthiramerur | Kanchipuram | - | Salavakkam S.O | Chengalpattu H.O |
| 133. | Onambakkam B.O | 603313 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | - | Kanchipuram | - | Chithamur S.O | Chengalpattu H.O |
| 134. | Oragadam B.O | 603109 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | - | Tirukalikundram S.O | Chengalpattu H.O |
| 135. | Orakattupettai S.O | 603106 | Sub Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Chengalpattu | Kanchipuram | 044-27431432 | - | Chengalpattu H.O |
| 136. | Orathy S.O | 603307 | Sub Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Maduranthakam | Kanchipuram | 044-27431432 | - | Chengalpattu H.O |
| 137. | Ozhalur B.O | 603111 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Tirukalikundram` | Kanchipuram | - | Venpakkam S.O | Chengalpattu H.O |
| 138. | Ozhavetti B.O | 603311 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Cheyur | Kanchipuram | - | Zamin Endathur S.O | Chengalpattu H.O |
| 139. | Padalam S.O | 603308 | Sub Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Maduranthakam | Kanchipuram | 044-27431432 | - | Chengalpattu H.O |
| 140. | Padiri B.O | 603201 | Branch Post Office | Delivery | Chengalpattu | Chennai Region | Tamilnadu | Maduranthakam | Kanchipuram | - | Elapakkam S.O | Chengalpattu H.O |
