In Kolkata district, West Bengal, PIN code 700037 is anchored by Belgachia Road SO, a Sub Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Belgachia Road SO | SO | Sub Post Office |
| Northern Avenue SO | SO | Sub Post Office |
| Belgachia SO | SO | Sub Post Office |
