- PIN code
- 400066
- Main post office
- Borivali East (sub office)
- District
- Mumbai Suburban
- State
- Maharashtra
- Postal division
- Mumbai City North West
- Region and circle
- Mumbai Region, Maharashtra circle
- Delivery
- Delivery PIN (1 of 4 offices delivers)
- Location
- Open on a map (19.231, 72.862)
Post offices with PIN 400066
| Post office | Type | Delivery |
|---|---|---|
| Borivali East | Sub office | Delivers mail |
| Daulat Nagar SO Mumbai | Sub office | Counter only |
| Rajendra Nagar SO Mumbai | Sub office | Counter only |
| S KNagar | Sub office | Counter only |
400066 covers 0 head offices, 4 sub offices and 0 branch offices.
What the digits of 400066 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.
- 066: the delivery post office within it, Borivali East.
Head post office for 400066
The post offices with this PIN belong to the Mumbai City North West 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.
- Borivali head post office: 400091
Nearby PIN codes in Mumbai Suburban
- Aareymilk Colony400065
- Kandivali West400067
- Malad West Dely400064
- Dahisar400068
- Goregaon East400063
- Andheri East400069
- Kurla West400070
- Vesava400061
All 66 PIN codes in Mumbai Suburban
Writing an address with 400066
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 Borivali East post office Mumbai Suburban, Maharashtra – 400066
Frequently asked questions
Which post office has PIN code 400066?
4 post offices share it: Borivali East, Daulat Nagar SO Mumbai, Rajendra Nagar SO Mumbai and S KNagar, in Mumbai Suburban district, Maharashtra.
Is 400066 a delivery PIN code?
Yes. Borivali East delivers mail; letters addressed to 400066 are delivered.
Which district is 400066 in?
Mumbai Suburban district, Maharashtra. It is in the Mumbai City North West postal division (Mumbai Region) of the Maharashtra postal circle.
What is the head post office for 400066?
The Mumbai City North West postal division's head office is Borivali (400091).
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.