Kollam Cantonment SO — PIN Code 691001
Kollam Cantonment SO is a sub post office in Kollam district, Kerala with PIN code 691001. It is a non-delivery office: it offers counter services such as posting, Speed Post and savings, but mail for its area is delivered by another office.
Administratively it falls under the Quilon Division, Kerala Circle. 3 other offices also use 691001: Kollam HO, Kollam Bazar SO and Kollam Taluk Cutchery SO.
Reading the six digits of 691001: the first digit places Kollam Cantonment SO in the Southern postal region (Tamil Nadu, Kerala, Puducherry, Lakshadweep), the first three (691) are its sorting district, and the last three (001) identify the delivery office. The nearest offices with a different code are Kadappakada SO (691008, ~1.1 km), Mundakkal BO (691010, ~1.1 km) and Eroor SO Kollam (691312, ~1.3 km).
Other post offices with PIN code 691001
- Kollam HO (HPO)
- Kollam Bazar SO (SO)
- Kollam Taluk Cutchery SO (SO)
Nearby post offices with a different PIN code
- Kadappakada SO — 691008, about 1.1 km away
- Mundakkal BO — 691010, about 1.1 km away
- Eroor SO Kollam — 691312, about 1.3 km away
- Asramom SO — 691002, about 1.6 km away
- Pallithottam SO — 691006, about 1.6 km away
- Pattathanam SO — 691021, about 1.6 km away
Distances are straight-line, from coordinates published in India Post's directory.
Check the PIN code for your exact location
Kollam Cantonment SO FAQs
What is the PIN code of Kollam Cantonment SO?
Kollam Cantonment SO uses PIN code 691001 (Kollam district, Kerala).
Is Kollam Cantonment SO a delivery post office?
No. Kollam Cantonment SO is a non-delivery office — use it for counter services, but mail to the area is delivered by another office under the same or a neighbouring code.
Which division does Kollam Cantonment SO come under?
Kollam Cantonment SO is part of the Quilon Division in the Kerala Circle.
Is 691001 valid for courier deliveries?
Yes. PIN code 691001 is used by India Post and private couriers for routing to this area, though each courier decides for itself which codes it services.
How do I write Kollam Cantonment SO's PIN code in a postal address?
Put it on the last line of the address: "Kollam Cantonment SO, Kollam, Kerala - 691001".