| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21. | Teynampet West S.O | 600006 | Sub Post Office | Non-Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-24349193 | - | Thygarayanagar H.O |
| 22. | Thygarayanagar H.O | 600017 | Head Post Office | Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-24346691 | - | - |
| 23. | Thygarayanagar North ND S.O | 600017 | Sub Post Office | Non-Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-28341609 | - | Thygarayanagar H.O |
| 24. | Thygarayanagar South NDS.O | 600017 | Sub Post Office | Non-Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-24341126 | - | Thygarayanagar H.O |
| 25. | Tiruvallikkeni S.O | 600005 | Sub Post Office | Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-28517941 | - | Mylapore H.O |
| 26. | Triplicane South S.O | 600014 | Sub Post Office | Non-Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-28481340 | - | Mylapore H.O |
| 27. | Vivekananda College Madras S.O | 600004 | Sub Post Office | Non-Delivery | Chennai City Central | Chennai Region | Tamilnadu | Chennai | Chennai | 044-24642805 | - | Mylapore H.O |
| 28. | Agaram S.O | 600082 | Sub Post Office | Non-Delivery | Chennai City North | Chennai Region | Tamilnadu | Perambur Purasawalkam | Chennai | - | - | Park Town H.O |
| 29. | Aminjikarai S.O | 600030 | Sub Post Office | Non-Delivery | Chennai City North | Chennai Region | Tamilnadu | Egmore Nungambakkam | Chennai | 044-26640307 | - | Chennai G.P.O. |
| 30. | Anna Nagar East S.O | 600102 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | Perambur Purasawalkam | Chennai | 044-26269636 | - | Park Town H.O |
| 31. | Anna Nagar S.O (Chennai) | 600040 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | Egmore Nungambakkam | Chennai | 044-26211012 | - | Park Town H.O |
| 32. | Anna Nagar Western Extn S.O | 600101 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | Ambattur | Chennai | 044-26151116 | - | Park Town H.O |
| 33. | Arumbakkam S.O | 600106 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | Maduravoyal | Chennai | 044-23630800 | - | Park Town H.O |
| 34. | Aynavaram S.O | 600023 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | Perambur Purasawalkam | Chennai | 044-26742375 | - | Park Town H.O |
| 35. | Chetput S.O | 600031 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | Egmore Nungambakkam | Chennai | 044-26412350 | - | Park Town H.O |
| 36. | D G Vaishnav College S.O | 600106 | Sub Post Office | Non-Delivery | Chennai City North | Chennai Region | Tamilnadu | Egmore Nungambakkam | Chennai | 044-24570312 | - | Park Town H.O |
| 37. | Edapalayam S.O | 600003 | Sub Post Office | Non-Delivery | Chennai City North | Chennai Region | Tamilnadu | Tondiarpet Fort St George | Chennai | 044-25330151 | - | Park Town H.O |
| 38. | Egmore ND S.O | 600008 | Sub Post Office | Non-Delivery | Chennai City North | Chennai Region | Tamilnadu | - | Chennai | - | - | Park Town H.O |
| 39. | Egmore S.O | 600008 | Sub Post Office | Delivery | Chennai City North | Chennai Region | Tamilnadu | - | Chennai | - | - | Park Town H.O |
| 40. | Ethiraj Salai S.O | 600008 | Sub Post Office | Non-Delivery | Chennai City North | Chennai Region | Tamilnadu | Egmore Nungambakka | Chennai | 044-28266224 | - | Anna Road H.O |
