There are 11 post offices under PIN code 621311.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Adhanur B.O | Branch Office | Delivery | Kulittalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Chinnampatti B.O | Branch Office | Delivery | Kulithalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | D.Idayapatti B.O | Branch Office | Delivery | Kulittalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Kadavur B.O | Branch Office | Delivery | Kulithalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Mavathur B.O | Branch Office | Delivery | Kulittalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Palaviduthi B.O | Branch Office | Delivery | Kulittalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Sembianatham B.O | Branch Office | Delivery | Kulittalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Sevapur B.O | Branch Office | Delivery | Kulithalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Singampatti B.O | Branch Office | Delivery | Kulithalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 10 | Tharagampatti S.O | Sub Office | Delivery | Kulithalai | Karur | Karur | Tiruchy | Tamil Nadu | Tamilnadu |
| 11 | Thavalaveeranpatti B.O | Branch Office | Delivery | Manaparai | Tiruchirappalli | Karur | Tiruchy | Tamil Nadu | Tamilnadu |