There are 10 post offices under PIN code 110003.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Delhi High Court Extension Counter S.O | Sub Office | Non-Delivery | Delhi | Central Delhi | New Delhi Central | Delhi | Delhi | Delhi |
| 2 | Delhi High Court S.O | Sub Office | Non-Delivery | New Delhi | Central Delhi | New Delhi Central | Delhi | Delhi | Delhi |
| 3 | Pandara Road S.O | Sub Office | Non-Delivery | New Delhi | Central Delhi | New Delhi Central | Delhi | Delhi | Delhi |
| 4 | Aliganj S.O (South Delhi) | Sub Office | Non-Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |
| 5 | C G O Complex S.O | Sub Office | Non-Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |
| 6 | Golf Links S.O | Sub Office | Non-Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |
| 7 | Kasturba Nagar S.O (South Delhi) | Sub Office | Non-Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |
| 8 | Lodi Road H.O | Head Office | Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |
| 9 | Pragati Vihar S.O | Sub Office | Non-Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |
| 10 | Safdarjung Air Port S.O | Sub Office | Non-Delivery | New Delhi | South Delhi | New Delhi South | Delhi | Delhi | Delhi |