What state does pincode 400001 belong to?
Pincode 400001 belongs to Maharashtra — specifically the Mumbai City sorting district (Mumbai — Fort / CST / Colaba). It falls in Postal Zone 4 (Western Zone, 400–497).
How many places are there in the 400xxx series?
There are multiple post offices and localities in the 400xxx series. Each 6-digit PIN maps to one or more place names within the Mumbai City sorting district. Use the Lookup widget above or the India Pincode API to get the full list for any specific code.
What is the India Pincode API endpoint for 400001?
GET https://pincode.apitier.com/v1/in/places/pincode?x-api-key=YOUR_KEY&pincode=400001 — returns an array of matching places with taluk, district, state, and geocoordinates. A free trial is available at apitier.com.