| Office Name | Kollam S.O |
| Pincodes | 673307 |
| Area | Kollam |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Vadakara |
| Postal Region | Calicut |
| District | Kozhikode |
| State | Kerala |
| Telephone No. | 0496-2620227 |
| Office Name | Kollam H.O |
| Pincodes | 691001 |
| Area | Kollam |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2751918 |