Riga is Taluka (Tehsil) in Sitamarhi district of Bihar state. Riga has 21 areas (postal offices). Riga has a Sub Office and the PIN Code of Riga is 843327.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 843302 | Anhari PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | B Jairam PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Babhangama PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Bairiya PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Barahi PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Bhagwanpur PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | C Bishanpur PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | K Thikha PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Khairwa PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Kharsan PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | M Mandal PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Maudah PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Narha PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | P Basantpur PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | P Pathaniya PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Pokharbhinda PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | R Ganguly PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Rewasi PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Riga PIN Code | Sitamarhi | Riga | Sub Office |
| 843327 | Riga Colony PIN Code | Sitamarhi | Riga | Branch Office |
| 843327 | Sahbajpur PIN Code | Sitamarhi | Riga | Branch Office |