Todaygaon BO is the primary post office registered under PIN code 734503 in Kalimpong, West Bengal. This code sits within the Eastern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Todaygaon BO | BO | Branch Post Office |
| Gairibas BO | BO | Branch Post Office |
| Jaldhaka Hydel Project SO | SO | Sub Post Office |
