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691001 PIN code: Kollam, Kollam

691001 is the PIN code of Kollam head office and 3 other post offices in Kollam district, Kerala. 1 of them delivers mail; the rest offer counter services only.

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PIN code
691001
Main post office
Kollam (head office)
District
Kollam
State
Kerala
Postal division
Quilon
Region and circle
Kerala circle
Delivery
Delivery PIN (1 of 4 offices delivers)
Location
Open on a map (8.890, 76.590)

Post offices with PIN 691001

Post officeTypeDelivery
KollamHead officeDelivers mail
Kollam BazarSub officeCounter only
Kollam CantonmentSub officeCounter only
Kollam Taluk CutcherySub officeCounter only

691001 covers 1 head office, 3 sub offices and 0 branch offices.

What the digits of 691001 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.
  • 001: the delivery post office within it, Kollam.

Head post office for 691001

Kollam is itself a head post office. It keeps the accounts for the Quilon division's sub and branch offices.

Nearby PIN codes in Kollam

All 116 PIN codes in Kollam

Writing an address with 691001

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
Kollam post office
Kollam, Kerala – 691001

Frequently asked questions

Which post office has PIN code 691001?

4 post offices share it: Kollam, Kollam Bazar, Kollam Cantonment and Kollam Taluk Cutchery, in Kollam district, Kerala.

Is 691001 a delivery PIN code?

Yes. Kollam delivers mail; letters addressed to 691001 are delivered.

Which district is 691001 in?

Kollam district, Kerala. It is in the Quilon postal division of the Kerala postal circle.

What is the head post office for 691001?

Kollam is itself a head post office, with PIN 691001.

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.