In Lucknow district, Uttar Pradesh, PIN code 226004 is anchored by Blunt Square SO, a Sub Post Office. Mail addressed to this code is sorted through the Northern Postal Region, across 9 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Blunt Square SO | SO | Sub Post Office |
| R A College SO | SO | Sub Post Office |
| Aishbagh SO | SO | Sub Post Office |
| Charbagh SO | SO | Sub Post Office |
| Gurdwara SO | SO | Sub Post Office |
| Mill Road SO | SO | Sub Post Office |
| A N L Colony SO | SO | Sub Post Office |
| Arya Nagar SO | SO | Sub Post Office |
| Rajendranagar SO Lucknow | OTHER | post office |
