- PIN code
- 400020
- Main post office
- Marine Lines (sub office)
- District
- Mumbai
- State
- Maharashtra
- Postal division
- Mumbai City South
- Region and circle
- Mumbai Region, Maharashtra circle
- Delivery
- Delivery PIN (1 of 3 offices delivers)
- Location
- Open on a map (18.945, 72.828)
Post offices with PIN 400020
| Post office | Type | Delivery |
|---|---|---|
| Marine Lines | Sub office | Delivers mail |
| Central Building | Sub office | Counter only |
| Churchgate | Sub office | Counter only |
400020 covers 0 head offices, 3 sub offices and 0 branch offices.
What the digits of 400020 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.
- 020: the delivery post office within it, Marine Lines.
Head post office for 400020
The post offices with this PIN belong to the Mumbai City South postal division, whose head office is listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- Kalbadevi head post office: 400002
Nearby PIN codes in Mumbai
- Matunga400019
- Nariman Point400021
- Worli400018
- Sion400022
- Dharavi400017
- Mahim400016
- Sewri400015
- Prabhadevi400025
Writing an address with 400020
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 Marine Lines post office Mumbai, Maharashtra – 400020
Frequently asked questions
Which post office has PIN code 400020?
3 post offices share it: Marine Lines, Central Building and Churchgate, in Mumbai district, Maharashtra.
Is 400020 a delivery PIN code?
Yes. Marine Lines delivers mail; letters addressed to 400020 are delivered.
Which district is 400020 in?
Mumbai district, Maharashtra. It is in the Mumbai City South postal division (Mumbai Region) of the Maharashtra postal circle.
What is the head post office for 400020?
The Mumbai City South postal division's head office is Kalbadevi (400002).
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.