Tehkhand BO is the primary post office registered under PIN code 110020 in South, Delhi. This code sits within the Northern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Tehkhand BO | BO | Branch Post Office |
| Okhla Industrial Estate SO | SO | Sub Post Office |
| F F C Okhla SO | SO | Sub Post Office |
| C R R I SO South Delhi | OTHER | post office |
| Okhla Industrial Area Phasei SO | SO | Sub Post Office |
