The Kaiyar B.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 Kaiyar B.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 Kaiyar B.o by providing essential services.
| Post Office | Kaiyar B.o |
| Division | Monghyr |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Islamnagar |
| District | Jamui |
| State | Bihar |
| Phone | NA |
| Sub Office | Aliganj S.o (jamui) |
| Head Office | Jamui H.o |
| Pincode | 811301
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kaiyar b.o branch pincode is 811301
kaiyar b.o branch phone number is NA
kaiyar b.o branch Head Office is Jamui H.o