- PIN code
- 400603
- Main post office
- Thane East (sub office)
- District
- Thane
- State
- Maharashtra
- Postal division
- Thane
- Region and circle
- Navi Mumbai Region, Maharashtra circle
- Delivery
- Delivery PIN (1 of 2 offices delivers)
- Location
- Open on a map (19.184, 72.976)
Post offices with PIN 400603
| Post office | Type | Delivery |
|---|---|---|
| Thane East | Sub office | Delivers mail |
| Kopri Colony | Sub office | Counter only |
400603 covers 0 head offices, 2 sub offices and 0 branch offices.
What the digits of 400603 mean
- 4: India Post's Western region, which covers Chhattisgarh, Goa, Madhya Pradesh and Maharashtra (2,784 PINs).
- 40: the Maharashtra postal circle; 297 PINs start with 40.
- 400: the sorting district, shared by 125 PINs in 4 districts.
- 603: the delivery post office within it, Thane East.
Head post office for 400603
The post offices with this PIN belong to the Thane 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.
- Kalyan City head post office: 421301
- Thane head post office: 400601
Nearby PIN codes in Thane
- Naupada (Thane)400602
- Wagle I.E.400604
- Thane400601
- Kalwa400605
- Jekegram400606
- Sandozbaugh400607
- Balkum400608
- Thane NDC400609
Writing an address with 400603
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 Thane East post office Thane, Maharashtra – 400603
Frequently asked questions
Which post office has PIN code 400603?
2 post offices share it: Thane East and Kopri Colony, in Thane district, Maharashtra.
Is 400603 a delivery PIN code?
Yes. Thane East delivers mail; letters addressed to 400603 are delivered.
Which district is 400603 in?
Thane district, Maharashtra. It is in the Thane postal division (Navi Mumbai Region) of the Maharashtra postal circle.
What is the head post office for 400603?
The Thane postal division's head offices are Kalyan City (421301) and Thane (400601).
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.