- PIN code
- 831011
- Main post office
- Sonari SO East Singhbhum (sub office)
- District
- East Singhbum
- State
- Jharkhand
- Postal division
- Singhbhum
- Region and circle
- Jharkhand circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (22.824, 86.173)
Post offices with PIN 831011
| Post office | Type | Delivery |
|---|---|---|
| Sonari SO East Singhbhum | Sub office | Delivers mail |
831011 has a single post office.
What the digits of 831011 mean
- 8: India Post's Eastern region, which covers Bihar and Jharkhand (1,274 PINs).
- 83: the Jharkhand postal circle; 116 PINs start with 83.
- 831: the sorting district, shared by 18 PINs in 2 districts.
- 011: the delivery post office within it, Sonari SO East Singhbhum.
Head post office for 831011
The post offices with this PIN belong to the Singhbhum postal division, whose head offices are listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- Chaibasa head post office: 833201
- Jamshedpur head post office: 831001
Nearby PIN codes in East Singhbum
- Mango831012
- Agrico831009
- Burma Mines831007
- Gobindpur Housing Colony831015
- Jugsalai831006
- Rahargora831016
- Kadma831005
- Baridih Colony831017
All 30 PIN codes in East Singhbum
Writing an address with 831011
Put the PIN on the last line, after the town and state, so the sorting machines and postmen can read it:
Name House number, street Sonari SO East Singhbhum post office East Singhbum, Jharkhand – 831011
Frequently asked questions
Which post office has PIN code 831011?
Sonari SO East Singhbhum sub office, in East Singhbum district, Jharkhand.
Is 831011 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 831011 are delivered.
Which district is 831011 in?
East Singhbum district, Jharkhand. It is in the Singhbhum postal division of the Jharkhand postal circle.
What is the head post office for 831011?
The Singhbhum postal division's head offices are Chaibasa (833201) and Jamshedpur (831001).
Sources
Last checked on 6 October 2026. PIN codes and post offices are from India Post’s directory on data.gov.in. Post offices are sometimes opened, merged or renamed; check with India Post before relying on a PIN for an official form.