The Poonimangadu S.o Post Office is a government-run agency that provides postal services, including mail delivery, postage stamp sales, and other postage products. It also provides financial services such as money orders. You can also pay your bills and apply for passports. You might need to present identification and fill out paperwork to use a post office in Poonimangadu S.o 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. The post office plays a vital role in the daily lives of people in Poonimangadu S.o by providing essential services.
| Post Office | Poonimangadu S.o |
| Division | Kanchipuram |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Tiruttani |
| District | Tiruvallur |
| State | Tamil Nadu |
| Phone | 044-27222901 |
| Sub Office | Na |
| Head Office | Tiruvallur H.o |
| Pincode | 631212
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poonimangadu s.o branch pincode is 631212
poonimangadu s.o branch phone number is 044-27222901
poonimangadu s.o branch Head Office is Tiruvallur H.o