There are 6 post offices under PIN code 121002.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Bhaskola B.O | Branch Office | Delivery | Faridabad | Faridabad | Faridabad | Ambala Hq | Haryana | Haryana |
| 2 | Faridabad City S.O | Sub Office | Non-Delivery | Faridabad | Faridabad | Faridabad | Ambala Hq | Haryana | Haryana |
| 3 | Faridabad Sector 16 S.O | Sub Office | Non-Delivery | Faridabad | Faridabad | Faridabad | Ambala Hq | Haryana | Haryana |
| 4 | Faridabad Sector 16a S.O | Sub Office | Delivery | Faridabad | Faridabad | Faridabad | Ambala Hq | Haryana | Haryana |
| 5 | Faridabad Sector 18 S.O | Sub Office | Non-Delivery | Faridabad | Faridabad | Faridabad | Ambala Hq | Haryana | Haryana |
| 6 | Kheri Kalan B.O | Branch Office | Delivery | Faridabad | Faridabad | Faridabad | Ambala Hq | Haryana | Haryana |