| Office Name | Bilkhawthlir S.O |
| Pincodes | 796091 |
| Area | Bilkhawthlir |
| Office Status | Sub Post Office |
| Postal Circle | North Eastern |
| Postal Division | Mizoram |
| Postal Region | North Eastern |
| District | Kolasib |
| State | Mizoram |
| Telephone No. | 03837-265187 |
| Office Name | Buhchang B.O |
| Pincodes | 796091 |
| Area | Buhchang |
| Office Status | Branch Post Office |
| Postal Circle | North Eastern |
| Postal Division | Mizoram |
| Postal Region | North Eastern |
| District | Kolasib |
| State | Mizoram |
| Telephone No. | Na |
| Office Name | Phaisen B.O |
| Pincodes | 796091 |
| Area | Phaisen |
| Office Status | Branch Post Office |
| Postal Circle | North Eastern |
| Postal Division | Mizoram |
| Postal Region | North Eastern |
| District | Kolasib |
| State | Mizoram |
| Telephone No. | Na |