- PIN code
- 700001
- Main post office
- Kolkata GPO (head office)
- District
- Kolkata
- State
- West Bengal
- Postal division
- Kolkata GPO
- Region and circle
- Kolkata Region, West Bengal circle
- Delivery
- Delivery PIN (1 of 13 offices delivers)
- Location
- Open on a map (22.574, 88.348)
Post offices with PIN 700001
| Post office | Type | Delivery |
|---|---|---|
| Kolkata GPO | Head office | Delivers mail |
| Council House Street | Sub office | Counter only |
| Customs House | Sub office | Counter only |
| Khengrapatti | Sub office | Counter only |
| Lalbazar | Sub office | Counter only |
| New Secretariat Building | Sub office | Counter only |
| R N Mukherjee Road | Sub office | Counter only |
| Radhabazar | Sub office | Counter only |
| Reserve Bank Building | Sub office | Counter only |
| Telephone Bhawan | Sub office | Counter only |
| Treasury Building | Sub office | Counter only |
| West Bengal Assembly PO | Sub office | Counter only |
| Writers Building | Sub office | Counter only |
700001 covers 1 head office, 12 sub offices and 0 branch offices.
What the digits of 700001 mean
- 7: India Post's Eastern region, which covers Andaman and Nicobar Islands, Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Sikkim, Tripura and West Bengal (3,042 PINs).
- 70: the West Bengal postal circle; 162 PINs start with 70.
- 700: the sorting district, shared by 162 PINs in 4 districts.
- 001: the delivery post office within it, Kolkata GPO.
Head post office for 700001
Kolkata GPO is itself a head post office. It keeps the accounts for the Kolkata GPO division's sub and branch offices.
Nearby PIN codes in Kolkata
- Cossipore700002
- Baghbazar700003
- Shyambazar Mail700004
- Hatkhola700005
- Beadon Street700006
- Barabazar700007
- Barisha700008
- Raja Ram Mohan Sarani700009
Writing an address with 700001
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 Kolkata GPO post office Kolkata, West Bengal – 700001
Frequently asked questions
Which post office has PIN code 700001?
13 post offices share it: Kolkata GPO, Council House Street, Customs House, Khengrapatti, Lalbazar, New Secretariat Building and 7 more, in Kolkata district, West Bengal.
Is 700001 a delivery PIN code?
Yes. Kolkata GPO delivers mail; letters addressed to 700001 are delivered.
Which district is 700001 in?
Kolkata district, West Bengal. It is in the Kolkata GPO postal division (Kolkata Region) of the West Bengal postal circle.
What is the head post office for 700001?
Kolkata GPO is itself a head post office, with PIN 700001.
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.