804451 is the PIN Code of Sonmai, which is located in Patna district, Bihar state.
Sonmai Post Office is located at Sonmai, Patna of BIHAR state. It is a Branch Post Office. A Post Office (PO) / Dak Ghar is a facility in charge of sorting, processing, and delivering mail to recipients. POs are usually regulated and funded by the Government of India (GOI). Pin code of Sonmai PO is 804451. This Postoffice falls under Patna postal division of the Bihar postal circle.