In New Delhi district, Delhi, PIN code 110003 is anchored by Delhi High Court Extension Counter SO, a Sub Post Office. Mail addressed to this code is sorted through the Northern Postal Region, across 10 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Delhi High Court Extension Counter SO | SO | Sub Post Office |
| C G O Complex SO | SO | Sub Post Office |
| Pragati Vihar SO | SO | Sub Post Office |
| Safdarjung Air Port SO | SO | Sub Post Office |
| Lodi Road HO | HO | Head Post Office |
| Aliganj SO South Delhi | OTHER | post office |
| Golf Links SO | SO | Sub Post Office |
| Pandara Road SO | SO | Sub Post Office |
| Kasturba Nagar SO South Delhi | OTHER | post office |
| Delhi High Court SO | SO | Sub Post Office |
