The Rettanai S.o Post Office is a government office that provides postal services, including mail delivery, postage stamp sales, speed post in one day delivery and services. Mail and packages can be dropped off at a post office or designated collection box, and stamps can be purchased at the post office or online.
| Post Office | Rettanai S.o |
| Division | Pondicherry |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Tindivanam |
| District | Villupuram |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Na |
| Head Office | Tindivanam H.o |
| Pincode | 604306
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rettanai s.o branch pincode is 604306
rettanai s.o branch phone number is NA
rettanai s.o branch Head Office is Tindivanam H.o