| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 261. | Kavarapettai S.O | 601206 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Gummidipoondi | Tiruvallur | 044-27925917 | - | Ambattur H.O |
| 262. | Kilikodi B.O | 601206 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Kavarapettai S.O | Ambattur H.O |
| 263. | Kilmudalambedu B.O | 601206 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Kavarapettai S.O | Ambattur H.O |
| 264. | Koduvalli B.O | 600055 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Avadi IAF S.O | Avadi Camp H.O |
| 265. | Kolappancheri B.O | 600072 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Pattabiram S.O | Avadi Camp H.O |
| 266. | Kolathur S.O | 600099 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-25502297 | - | Ambattur H.O |
| 267. | Kolur B.O | 601205 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Pulicat S.O | Ambattur H.O |
| 268. | Korattur RS S.O | 600076 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26512485 | - | Ambattur H.O |
| 269. | Korattur S.O | 600050 | Sub Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | 044-26241063 | - | Ambattur H.O |
| 270. | Kovilpadagai B.O | 600062 | Branch Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Tirumullaivoyal S.O | Avadi Camp H.O |
| 271. | Kovur S.O | 600128 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | - | Avadi Camp H.O |
| 272. | Krishnapuram B.O | 601204 | Branch Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | - | Ponneri S.O | Ambattur H.O |
| 273. | Kuttambakkam B.O | 600124 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Thirumushi S.O | Avadi Camp H.O |
| 274. | Lakshmipuram B.O | 600099 | Branch Post Office | Non-Delivery | Tambaram | Chennai Region | Tamilnadu | Ambattur | Tiruvallur | - | Kolathur S.O | Ambattur H.O |
| 275. | Madarpakkam S.O | 601202 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Gummidipundi | Tiruvallur | 044-27945550 | - | Ambattur H.O |
| 276. | Madhavaram Milk Colony S.O | 600051 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | 044-25555703 | - | Ambattur H.O |
| 277. | Madhavaram S.O (Tiruvallur) | 600060 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Ponneri | Tiruvallur | 044-25530787 | - | Ambattur H.O |
| 278. | Maduravoyal S.O | 600095 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamalee | Tiruvallur | 044-23781509 | - | Avadi Camp H.O |
| 279. | Malayambakkam B.O | 600123 | Branch Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Poonamallee | Tiruvallur | - | Nazarethpettai S.O | Avadi Camp H.O |
| 280. | Manali New Town S.O | 600103 | Sub Post Office | Delivery | Tambaram | Chennai Region | Tamilnadu | Gummidipoondi | Tiruvallur | 044-25931333 | - | Ambattur H.O |
