| Office Name | Kollaka B.O |
| Pincodes | 690536 |
| Area | Kollaka |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kollam Bazar S.O |
| Pincodes | 691001 |
| Area | Kollam Bazar |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2750241 |
| Office Name | Kollam Cantonment S.O |
| Pincodes | 691001 |
| Area | Kollam Cantonment |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2748995 |
| Office Name | Kollam Civil Station S.O |
| Pincodes | 691013 |
| Area | Kollam Civil Station |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2792908 |
| Office Name | Kollam Cutchery S.O |
| Pincodes | 691013 |
| Area | Kollam Cutchery |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2745257 |
| 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 |
| Office Name | Kollam Taluk Cutchery S.O |
| Pincodes | 691001 |
| Area | Kollam Taluk Cutchery |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2751023 |
| Office Name | Kollayil B.O |
| Pincodes | 691541 |
| Area | Kollayil |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Koottikada B.O |
| Pincodes | 691020 |
| Area | Koottikada |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kottarakara H.O |
| Pincodes | 691506 |
| Area | Kottarakara |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2454737 |
| Office Name | Kottathala B.O |
| Pincodes | 691507 |
| Area | Kottathala |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kottiyam S.O |
| Pincodes | 691571 |
| Area | Kottiyam |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2530040 |
| Office Name | Kudavattur B.O |
| Pincodes | 691512 |
| Area | Kudavattur |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kulakada S.O |
| Pincodes | 691521 |
| Area | Kulakada |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0474-2615030 |
| Office Name | Kulakkada East B.O |
| Pincodes | 691521 |
| Area | Kulakkada East |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kulakkadathazham B.O |
| Pincodes | 691521 |
| Area | Kulakkadathazham |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kulasekharapuram S.O |
| Pincodes | 690544 |
| Area | Kulasekharapuram |
| Office Status | Sub Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | 0476-2642433 |
| Office Name | Kumbalam B.O |
| Pincodes | 691503 |
| Area | Kumbalam |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kummallur B.O |
| Pincodes | 691573 |
| Area | Kummallur |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Kummil B.O |
| Pincodes | 691536 |
| Area | Kummil |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Quilon |
| Postal Region | Trivandrum Hq |
| District | Kollam |
| State | Kerala |
| Telephone No. | Na |