| State | Name of the Post Office | Status GPO/HO/SO | Pincode |
| Andaman | Port Blair | Head Post Office | 744101 |
| Andhra Pradesh | Chittoor | Head Post Office | 517001 |
| Guntur | Head Post Office | 522002 |
| Kurnool | Head Post Office | 518001 |
| Tirupati | Head Post Office | 517501 |
| Vijayawada | Head Post Office | 520001 |
| Visakhapatnam | Head Post Office | 530001 |
| New Delhi | New Delhi | GPO | 110001 |
| Karnataka | Bangalore | GPO | 560001 |
| Kerala | Ernakulam | Head Post Office | 682011 |
| Maharashtra | Nagpur | GPO | 440001 |
| Pune | GPO | 411001 |
| Odisha | Bhubaneswar | GPO | 751001 |
| Tamil Nadu | Anna Nagar(Chennai) | Sub Post Office | 600040 |
| Anna Road(Chennai) | Head Post Office | 600002 |
| Chennai | GPO | 600001 |
| Coimbatore | Head Post Office | 641001 |
| Dharmapuri | Head Post Office | 636701 |
| Erode | Head Post Office | 638001 |
| Madurai | Head Post Office | 625001 |
| Ranipet | Head Post Office | 632401 |
| RS Puram | Head Post Office | 641002 |
| Salem | Head Post Office | 636001 |
| T.Nagar(Chennai) | Head Post Office | 600017 |
| Tambaram(Chennai) | Head Post Office | 600045 |
| Tiruchirappalli | Head Post Office | 620001 |
| Vellore | Head Post Office | 632001 |
| Hyderabad | GPO | 500001 |
| Secunderabad | Head Post Office | 500003 |
| Kolkata | GPO | 700001 |
| Midnapore | Head Post Office | 721101 |
