Otapidaram is Taluka (Tehsil) in Tuticorin district of Tamil Nadu state. Otapidaram has 14 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 628718 | Achankulam PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628712 | Adanur PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628712 | Arungulam PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628402 | Jambulingapuram PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628712 | K Duraisamypuram PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628718 | Meenakshipuram PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628718 | Nagampatti PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628302 | Ottanatham PIN Code | Tuticorin | Otapidaram | Sub Office |
| 628402 | Pudiyamputhur PIN Code | Tuticorin | Otapidaram | Sub Office |
| 628712 | Sakkammalpuram PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628718 | Sillankulam PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628712 | Sivagnanapuram PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628402 | Swaminatham PIN Code | Tuticorin | Otapidaram | Branch Office |
| 628105 | Taruvaikulam PIN Code | Tuticorin | Otapidaram | Sub Office |