| Office Name | Karaiyur B.O |
| Pincodes | 638661 |
| Area | Karaiyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tirupur |
| Postal Region | Coimbatore |
| District | Erode |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Karaiyur B.O |
| Pincodes | 630211 |
| Area | Karaiyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Sivaganga |
| Postal Region | Madurai |
| District | Sivaganga |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Karaiyur B.O |
| Pincodes | 610101 |
| Area | Karaiyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Karaiyur B.O |
| Pincodes | 622002 |
| Area | Karaiyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Pudukkottai |
| Postal Region | Tiruchy |
| District | Pudukkottai |
| State | Tamil Nadu |
| Telephone No. | Na |