What state does pincode 421001 belong to?
Pincode 421001 belongs to Maharashtra — specifically the Thane Rural sorting district (Kalyan / Ulhasnagar / Bhiwandi). It falls in Postal Zone 4 (Western Zone, 400–497).
How many places are there in the 421xxx series?
There are multiple post offices and localities in the 421xxx series. Each 6-digit PIN maps to one or more place names within the Thane Rural 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 421001?
GET https://pincode.apitier.com/v1/in/places/pincode?x-api-key=YOUR_KEY&pincode=421001 — returns an array of matching places with taluk, district, state, and geocoordinates. A free trial is available at apitier.com.