| Office Name | Sain B.O |
| Pincodes | 844111 |
| Area | Sain |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Vaishali |
| Postal Region | Patna Hq |
| District | Vaishali |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sain B.O |
| Pincodes | 262554 |
| Area | Sain |
| Office Status | Branch Post Office |
| Postal Circle | Uttarakhand |
| Postal Division | Pithoragarh |
| Postal Region | Dehradun |
| District | Pithoragarh |
| State | Uttarakhand |
| Telephone No. | Na |
| Office Name | Sain B.O |
| Pincodes | 249146 |
| Area | Sain |
| Office Status | Branch Post Office |
| Postal Circle | Uttarakhand |
| Postal Division | Tehri |
| Postal Region | Dehradun |
| District | Tehri Garhwal |
| State | Uttarakhand |
| Telephone No. | Na |