- PIN code
- 691590
- Main post office
- Koivila (sub office)
- District
- Kollam
- State
- Kerala
- Postal division
- Quilon
- Region and circle
- Kerala circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (8.990, 76.580)
Post offices with PIN 691590
| Post office | Type | Delivery |
|---|---|---|
| Koivila | Sub office | Delivers mail |
691590 has a single post office.
What the digits of 691590 mean
- 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
- 69: the Kerala postal circle; 295 PINs start with 69.
- 691: the sorting district, shared by 100 PINs in 2 districts.
- 590: the delivery post office within it, Koivila.
Head post office for 691590
The post offices with this PIN belong to the Quilon postal division, whose head offices are listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- Karunagappally head post office: 690518
- Kollam head post office: 691001
- Kottarakara head post office: 691506
Nearby PIN codes in Kollam
- Umayanallur I E691589
- Mukundapuram691585
- Chavara South691584
- Chavara691583
- Neendakara691582
- Sakthikulangara691581
- Karamcode691579
- Perinad691601
Writing an address with 691590
Put the PIN on the last line, after the town and state, so the sorting machines and postmen can read it:
Name House number, street Koivila post office Kollam, Kerala – 691590
Frequently asked questions
Which post office has PIN code 691590?
Koivila sub office, in Kollam district, Kerala.
Is 691590 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 691590 are delivered.
Which district is 691590 in?
Kollam district, Kerala. It is in the Quilon postal division of the Kerala postal circle.
What is the head post office for 691590?
The Quilon postal division's head offices are Karunagappally (690518), Kollam (691001) and Kottarakara (691506).
Sources
Last checked on 6 October 2026. PIN codes and post offices are from India Post’s directory on data.gov.in. Post offices are sometimes opened, merged or renamed; check with India Post before relying on a PIN for an official form.