| Post Office | Dumari B.o | 
| Division | Rohtas | 
| Region | Patna Hq | 
| Circle | Bihar | 
| Taluka | Sheosagar | 
| District | Rohtas | 
| State | Bihar | 
| Phone | NA | 
| Sub Office | Chenari S.O | 
| Head Office | Sasaram H.O | 
| Pincode | 
821104 
 | 
| Post Office | Dumari Sahpur B.o | 
| Division | Rohtas | 
| Region | Patna Hq | 
| Circle | Bihar | 
| Taluka | Sheosagar | 
| District | Rohtas | 
| State | Bihar | 
| Phone | NA | 
| Sub Office | Sheosagar S.O | 
| Head Office | Sasaram H.O | 
| Pincode | 
821111 
 | 
| Post Office | Sheosagar S.o | 
| Division | Rohtas | 
| Region | Patna Hq | 
| Circle | Bihar | 
| Taluka | Sheosagar | 
| District | Rohtas | 
| State | Bihar | 
| Phone | 06184-276410 | 
| Sub Office | NA | 
| Head Office | Sasaram H.O | 
| Pincode | 
821111 
 | 
| Post Office | Thanua B.o | 
| Division | Rohtas | 
| Region | Patna Hq | 
| Circle | Bihar | 
| Taluka | Sheosagar | 
| District | Rohtas | 
| State | Bihar | 
| Phone | NA | 
| Sub Office | Sheosagar S.O | 
| Head Office | Sasaram H.O | 
| Pincode | 
821111 
 |