Post Office Riga S.o Pin Code In Riga State Bihar District Sitamarhi
| Post Office | Riga S.o |
| Division | Sitamarhi |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Riga |
| District | Sitamarhi |
| State | Bihar |
| Phone | 06226-111111 |
| Sub Office | NA |
| Head Office | Sitamarhi H.O |
| Pincode | 843327 |
riga s.o branch pincode is 843327
riga s.o branch phone number is 06226-111111
riga s.o branch Head Office is Sitamarhi H.O