691021 PIN Code: Pattathanam, Ayathil (Kollam)
691021 is the PIN code of Pattathanam, Ayathil in Kollam district, Kerala. Mail for 691021 is delivered by Pattathanam SO, Ayathil BO.
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Pattathanam, Ayathil
691021 at a glance
- PIN code
- 691021
- Areas
- Pattathanam and Ayathil
- District
- Kollam
- State
- Kerala
- Postal circle
- Kerala Circle
- Region / division
- DivReportingCircle · Quilon Division
- Head office
- Kollam HO (2.7 km west)
- Delivery office
- Pattathanam SO and Ayathil BO
- Post offices
- 2 (1 sub office and 1 branch office)
- Towns / local bodies
- Kollam
- Type of area
- Urban (town or city)
- Approximate area
- about 3.6 km² (3.9 km east-west, 3.5 km north-south)
- Middle of the area
- 8.88478, 76.61363
- DIGIPIN of the middle
- M3844JKFP2
- Sorting district code
- 691 (shared by 100 PIN codes; Kollam and Pathanamthitta)
- Nearest PIN codes
- 691008 (1.5 km), 691016 (1.7 km), 691019 (1.9 km), 691010 (2.0 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 691021 is
- PIN 691021
- 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 (21 carry 691021). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 691021 area
691021 is an urban PIN code in Kollam district, Kerala. India Post lists 2 post offices under it: Pattathanam SO and Ayathil BO. Mail for addresses with this PIN is delivered by Pattathanam SO and Ayathil BO.
In India Post's structure, 691021 belongs to the Quilon Division, part of the DivReportingCircle of the Kerala Circle. The nearest head office of its division is Kollam HO, about 2.7 km west. The first three digits, 691, are the sorting district code that 100 PIN codes share, covering Kollam and Pathanamthitta.
Town areas with this PIN: Kollam (municipal corporation).
The middle of the 691021 area is at 8.8848° N, 76.6136° E (DIGIPIN M3844JKFP2), and the area is roughly 3.6 km² on our map. The closest PIN codes are 691008 (Kadappakada, 1.5 km north-west), 691016 (Thekkevila, 1.7 km south) and 691019 (Uliyakovil, 1.9 km north).
Kollam district has 113 PIN codes. The one with the most post offices is 691536 (Kadakkal, 11); 691021 has 2. The one with the most villages is 691601 (Perinad, 3).
Post offices with PIN code 691021
| Post office | Type and mail delivery |
|---|---|
| Pattathanam SO | Sub office Delivers |
| Ayathil BO | Branch 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 691021 mean
A letter to 691021 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone691021
Southern zone: Tamil Nadu, Kerala
- 2 · Postal circle691021
Kerala Circle
- 3 · Sorting district691021
Sorting district covering Kollam and Pathanamthitta
- 4 · Delivery office691021
Delivered by Pattathanam SO, Ayathil BO
Localities in the 691021 area
Neighbourhoods and places named on OpenStreetMap whose nearby mapped addresses mostly carry PIN 691021. Places on an edge can also fall in a neighbouring PIN.
Towns and local bodies with PIN 691021
- Municipal corporation Kollam
PIN codes near 691021
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 691021
Name House / flat number, street Pattathanam, Kollam Kerala - 691021
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 691021
Which area has the PIN code 691021?
691021 is the PIN code of Pattathanam and Ayathil in Kollam district, Kerala.
Which district and state is 691021 in?
Kollam district in Kerala, in India Post's Kerala Circle (Quilon Division).
How many post offices use 691021?
2 post offices: Pattathanam SO and Ayathil BO.
Which post office delivers mail for 691021?
Pattathanam SO and Ayathil BO deliver mail for this PIN.
What is the head office for 691021?
Kollam HO, about 2.7 km west of the 691021 area, is the nearest head office in the Quilon Division.
Is 691021 a rural or urban PIN code?
Urban: it covers town areas (Kollam) and no villages are listed under it.
What are the PIN codes near 691021?
691008 (Kadappakada, 1.5 km), 691016 (Thekkevila, 1.7 km), 691019 (Uliyakovil, 1.9 km), 691010 (Vadakkevila, 2.0 km) and 691001 (Kollam, 2.3 km), measured between the middles of the areas.
What is the DIGIPIN of the 691021 area?
M3844JKFP2 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 691021 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 113 PIN codes of Kollam · All PIN codes of Kerala · PIN code guides · Find the PIN code of where you are