- PIN code
- 643231
- Main post office
- Wellington (sub office)
- District
- The Nilgiris
- State
- Tamil Nadu
- Postal division
- Nilgiris
- Region and circle
- Western Region Coimbatore, Tamilnadu circle
- Delivery
- Delivery PIN (2 of 4 offices deliver)
- Location
- Open on a map (11.367, 76.787)
Post offices with PIN 643231
| Post office | Type | Delivery |
|---|---|---|
| Wellington | Sub office | Delivers mail |
| Defence Service Staff College | Sub office | Counter only |
| Wellington Bazaar | Sub office | Counter only |
| Berhatti | Branch office | Delivers mail |
643231 covers 0 head offices, 3 sub offices and 1 branch office.
What the digits of 643231 mean
- 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
- 64: the Tamilnadu postal circle; 186 PINs start with 64.
- 643: the sorting district, shared by 46 PINs in 1 district.
- 231: the delivery post office within it, Wellington.
Head post office for 643231
The post offices with this PIN belong to the Nilgiris 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.
- Coonoor head post office: 643101
- Udagamandalam head post office: 643001
Nearby PIN codes in The Nilgiris
- Pandalur643233
- Newhope643226
- Kotada Estate643236
- Nellakotta643225
- Sandynallah643237
- Naduvattam643224
- Nonsuch643238
- Masinagudi643223
All 47 PIN codes in The Nilgiris
Writing an address with 643231
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 Wellington post office The Nilgiris, Tamil Nadu – 643231
Frequently asked questions
Which post office has PIN code 643231?
4 post offices share it: Wellington, Defence Service Staff College, Wellington Bazaar and Berhatti, in The Nilgiris district, Tamil Nadu.
Is 643231 a delivery PIN code?
Yes. Wellington and Berhatti deliver mail; letters addressed to 643231 are delivered.
Which district is 643231 in?
The Nilgiris district, Tamil Nadu. It is in the Nilgiris postal division (Western Region Coimbatore) of the Tamilnadu postal circle.
What is the head post office for 643231?
The Nilgiris postal division's head offices are Coonoor (643101) and Udagamandalam (643001).
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.