- Sagra S.O (Pratapgarh)
Pincode: 230136, Sub Office(Delivery)
- Sahabganj S.O (Pratapgarh)
Pincode: 230137, Sub Office(Delivery)
- Sahjani B.O
Pincode: 230202, Branch Office(Delivery)
- Saifabad S.O
Pincode: 230138, Sub Office(Delivery)
- Saihpur Ashiq B.O
Pincode: 230201, Branch Office(Delivery)
- Sakardaha B.O
Pincode: 230201, Branch Office(Delivery)
- Salhipur B.O
Pincode: 230403, Branch Office(Delivery)
- Samaspur B.O
Pincode: 230201, Branch Office(Delivery)
- Sandwa Chandika B.O
Pincode: 230503, Branch Office(Delivery)
- Sangipur S.O
Pincode: 230139, Sub Office(Delivery)
- Sangramgarh S.O
Pincode: 230141, Sub Office(Delivery)
- Sangrampur B.O
Pincode: 230501, Branch Office(Delivery)
- Sansarpur B.O
Pincode: 230304, Branch Office(Delivery)
- Sarai Anadeo B.O
Pincode: 230144, Branch Office(Delivery)
- Sarai Bhimsen B.O
Pincode: 230402, Branch Office(Delivery)
- Sarai Bhimsen B.O
Pincode: 230142, Branch Office(Delivery)
- Sarai Chheolaha B.O
Pincode: 230135, Branch Office(Delivery)
- Sarai Ganai B.O
Pincode: 230403, Branch Office(Delivery)
- Sarai Indrawat B.O
Pincode: 230128, Branch Office(Delivery)
- Sarai Madhai B.O
Pincode: 230135, Branch Office(Delivery)
- Sarai Mahesh B.O
Pincode: 230135, Branch Office(Delivery)
- Sarai Murar Singh B.O
Pincode: 230402, Branch Office(Delivery)
- Sarai Nahar Rai B.O
Pincode: 230402, Branch Office(Delivery)
- Sarai Raja B.O
Pincode: 230404, Branch Office(Delivery)
- Sarai Rajai B.O
Pincode: 230401, Branch Office(Delivery)
- Sarai Shankar B.O
Pincode: 230401, Branch Office(Delivery)
- Sarkhelpur B.O
Pincode: 230134, Branch Office(Delivery)
- Sarsi B.O
Pincode: 230405, Branch Office(Delivery)
- Shahbari B.O
Pincode: 230503, Branch Office(Delivery)
- Shahpur B.O
Pincode: 230304, Branch Office(Delivery)
- Shayaad Yasinpur B.O
Pincode: 229408, Branch Office(Delivery)
- Shitlaganj B.O
Pincode: 230001, Branch Office(Delivery) directly a/w Head Office
- Shitlaganj S.O
Pincode: 230142, Sub Office(Delivery)
- Shivgarh Bindaganj B.O
Pincode: 230302, Branch Office(Delivery)
- Shivpur B.O
Pincode: 230401, Branch Office(Delivery)
- Silaundhi B.O
Pincode: 230301, Branch Office(Delivery)
- Sipah Maheri B.O
Pincode: 230001, Branch Office(Delivery) directly a/w Head Office
- Siya B.O
Pincode: 230201, Branch Office(Delivery)
- Sonpura B.O
Pincode: 230124, Branch Office(Delivery)
- Station Road S.O (Pratapgarh)
Pincode: 230001, Sub Office(Non Delivery)
- Sujauli B.O
Pincode: 230204, Branch Office(Delivery)
- Sultanpur B.O
Pincode: 230301, Branch Office(Delivery)
- Surajgarh B.O
Pincode: 230401, Branch Office(Delivery)
- Surwa Mishirpur B.O
Pincode: 230306, Branch Office(Delivery)
- Suwansa S.O
Pincode: 230306, Sub Office(Delivery)
- Tajpur B.O
Pincode: 230204, Branch Office(Delivery)
- Tala B.O
Pincode: 230403, Branch Office(Delivery)
- Tejgarh B.O
Pincode: 230137, Branch Office(Delivery)
- Teonga B.O
Pincode: 230001, Branch Office(Delivery) directly a/w Head Office
- Tikuri Dashrathpur B.O
Pincode: 230201, Branch Office(Delivery)