There are 7 post offices under PIN code 110091.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Chilla B.O | Branch Office | Non-Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |
| 2 | Himmatpuri S.O | Sub Office | Non-Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |
| 3 | Kalyanpuri S.O | Sub Office | Non-Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |
| 4 | Kalyanvas S.O | Sub Office | Non-Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |
| 5 | Mayur Vihar Ph-I S.O | Sub Office | Non-Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |
| 6 | Patparganj S.O | Sub Office | Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |
| 7 | Trilok Puri S.O | Sub Office | Non-Delivery | Na | East Delhi | Delhi East | Delhi | Delhi | Delhi |