421004 PIN Code: Ulhasnagar 4 (Thane)
421004 is the PIN code of Ulhasnagar 4 in Thane district, Maharashtra. Mail for 421004 is delivered by Ulhasnagar 4 S.O.
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Ulhasnagar 4
421004 at a glance
- PIN code
- 421004
- Areas
- Ulhasnagar 4
- District
- Thane
- State
- Maharashtra
- Postal circle
- Maharashtra Circle
- Region / division
- Navi Mumbai Region · Thane Division
- Head office
- Kalyan City H.O (5.4 km north-west)
- Delivery office
- Ulhasnagar 4 S.O
- Post offices
- 1 (1 sub office)
- Towns / local bodies
- Ulhasnagar
- Type of area
- Urban (town or city)
- Approximate area
- about 5.8 km² (3.5 km east-west, 4.2 km north-south)
- Middle of the area
- 19.21025, 73.16160
- DIGIPIN of the middle
- 4F4J964LM5
- Sorting district code
- 421 (shared by 30 PIN codes; Thane and Palghar)
- Nearest PIN codes
- 421005 (0.7 km), 421002 (1.8 km), 421502 (2.4 km), 421501 (2.4 km)
Sources: India Post's All India Pincode Directory (list dated 3 Oct 2025), the Local Government Directory (Ministry of Panchayati Raj), OpenStreetMap. Area and middle point are approximate, from our map.
Where PIN 421004 is
- PIN 421004
- Neighbouring PIN codes (tap one)
- Post office that delivers mail
- Other post offices (counter only)
- Main roads, railways and water
An approximate shape, not an official boundary: India Post doesn't publish PIN boundary maps. Each spot takes the PIN of the nearest post office or address mapped on OpenStreetMap (23 carry 421004). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 421004 area
421004 is an urban PIN code in Thane district, Maharashtra. India Post lists 1 post office under it: Ulhasnagar 4 S.O. Mail for addresses with this PIN is delivered by Ulhasnagar 4 S.O.
In India Post's structure, 421004 belongs to the Thane Division, part of the Navi Mumbai Region of the Maharashtra Circle. The nearest head office of its division is Kalyan City H.O, about 5.4 km north-west. The first three digits, 421, are the sorting district code that 30 PIN codes share, covering Thane and Palghar.
Town areas with this PIN: Ulhasnagar (municipal corporation).
The middle of the 421004 area is at 19.2103° N, 73.1616° E (DIGIPIN 4F4J964LM5), and the area is roughly 5.8 km² on our map. The closest PIN codes are 421005 (Ulhasnagar 5, 0.7 km south-east), 421002 (Ulhasnagar 2, 1.8 km north) and 421502 (O.E.Ambernath, 2.4 km east).
Thane district has 50 PIN codes. The one with the most post offices is 421601 (Shahapur S.O (Thane), 38); 421004 has 1. The one with the most villages is 421302 (Dandekarwadi, 188).
Post offices with PIN code 421004
| Post office | Type and mail delivery |
|---|---|
| Ulhasnagar 4 S.O | Sub office Delivers |
"Delivers" means postmen from that office bring mail to addresses with this PIN. Head offices run a postal division's accounts; sub offices serve towns; branch offices are small, mostly village offices working under a sub office. More on the types of post offices.
What the digits of 421004 mean
A letter to 421004 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone421004
Western zone: Maharashtra, Madhya Pradesh, Chhattisgarh, Goa
- 2 · Postal circle421004
Maharashtra Circle
- 3 · Sorting district421004
Sorting district covering Thane and Palghar
- 4 · Delivery office421004
Delivered by Ulhasnagar 4 S.O
Towns and local bodies with PIN 421004
- Municipal corporation Ulhasnagar
PIN codes near 421004
Distances are as the crow flies, between the middles of each PIN's mapped addresses and post offices.
How to write an address with PIN 421004
Name House / flat number, street Ulhasnagar 4, Thane Maharashtra - 421004
Write the 6 digits in full at the end, after the state. Use the area name that matches your street, from the post offices above. How to write an Indian address.
Questions about PIN 421004
Which area has the PIN code 421004?
421004 is the PIN code of Ulhasnagar 4 in Thane district, Maharashtra.
Which district and state is 421004 in?
Thane district in Maharashtra, in India Post's Maharashtra Circle (Thane Division).
How many post offices use 421004?
1 post office: Ulhasnagar 4 S.O.
Which post office delivers mail for 421004?
Ulhasnagar 4 S.O delivers mail for this PIN.
What is the head office for 421004?
Kalyan City H.O, about 5.4 km north-west of the 421004 area, is the nearest head office in the Thane Division.
Is 421004 a rural or urban PIN code?
Urban: it covers town areas (Ulhasnagar) and no villages are listed under it.
What are the PIN codes near 421004?
421005 (Ulhasnagar 5, 0.7 km), 421002 (Ulhasnagar 2, 1.8 km), 421502 (O.E.Ambernath, 2.4 km), 421501 (Ambernath, 2.4 km) and 421306 (Katemanivali, 3.6 km), measured between the middles of the areas.
What is the DIGIPIN of the 421004 area?
4F4J964LM5 is the DIGIPIN of the middle of the area. A DIGIPIN marks a spot about 4 metres wide, so every house has its own; use the DIGIPIN tool for your exact spot.
Is 421004 the PIN code of my address?
If you are at the address, tap "Is this my PIN code?" at the top of this page. Otherwise check that your street's area matches one of the post offices or localities listed here. For anything important, confirm with your post office.
Post offices: India Post, All India Pincode Directory on data.gov.in (Government Open Data License - India), list dated 3 Oct 2025. District names are as India Post lists them and can differ from the revenue district. Not an India Post website: for anything important, confirm with your post office.
More PIN codes
All 50 PIN codes of Thane · All PIN codes of Maharashtra · PIN code guides · Find the PIN code of where you are