PIN code · Bihar
841203 PIN Code — Chainpur SO Siwan, Siwan
Post office details
- PIN code
- 841203
- Post office
- Chainpur SO Siwan
- District
- Siwan
- State / UT
- Bihar
- Delivery
- Delivery office
- Postal zone
- 8 — Bihar, Jharkhand
Speed Post charges from 841203
Parcel up to 500 g, ₹ before GST, tariff from 1 October 2025. Distance is straight-line, so routes near a band edge show a range.
| To | Distance | Speed Post (500 g) |
|---|---|---|
| Delhi (110001) | ~753 km | ₹82 |
| Mumbai (400001) | ~1,433 km | ₹86 |
| Kolkata (700001) | ~582 km | ₹82 |
| Chennai (600001) | ~1,521 km | ₹86 |
| Bengaluru (560001) | ~1,633 km | ₹86 |
| Hyderabad (500001) | ~1,155 km | ₹86 |
Other weight or route? Courier charges calculator
What 841203 means
- 1st digit (8) — postal zone: Bihar, Jharkhand
- First 3 digits (841) — the sorting district
- Last 3 digits (203) — the delivery post office
FAQ
What is the PIN code of Chainpur SO Siwan?
The PIN code of Chainpur SO Siwan (Siwan, Bihar) is 841203.
841203 is in which district and state?
PIN code 841203 is in Siwan district, Bihar.
Is 841203 a delivery PIN code?
Yes. India Post lists a delivery post office for 841203, so letters and parcels are delivered to addresses in this area.
What does Speed Post cost from 841203 to Delhi?
About ₹82 before GST for a parcel up to 500 g (Speed Post tariff from 1 October 2025). Check any route on the courier charges calculator.
How do I track a parcel sent to 841203?
Paste the tracking number (AWB) into CheckMyOrder — the courier is detected automatically. The PIN code isn't needed to track.
Source: All India Pincode Directory — Department of Posts (data.gov.in, Government Open Data License – India). One main post office is shown per PIN code; some PIN codes cover several post offices.