121 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 686001 | Kottayam Ho, Kottayam North So, Thirunakkara So | – |
| 686002 | Kottayam Collectorate So | – |
| 686003 | Kottayam West So, Veloor Bo | – |
| 686004 | Muttambalam So, Devalokam Bo, Kollad Bo and 1 more | – |
| 686005 | Thazhathangady So, Kummanam Bo | – |
| 686006 | Nattassery S H Mount So | – |
| 686007 | Pallom So | – |
| 686008 | Gandhi Nagar So Kottayam, Arpookara Bo, Arpookara East Bo and 1 more | – |
| 686009 | Rubber Board So | – |
| 686010 | Vadavathoor So | – |
| 686011 | Puthupalli So, Eravinalloor Bo, Payyappady Bo and 1 more | – |
| 686012 | Pakkil So, Moolavattom Bo, Poovanthuruthu Gdsbo | – |
| 686013 | Nattakom So, Kottayam South Bo, Mariappally Bo | – |
| 686014 | Olessa So, Parippu Bo | – |
| 686015 | Aymanam So, Pulikkuttissery Bo | – |
| 686016 | Kumaranalloor So, Perumbaikkad Bo | – |
| 686017 | Kudamaloor So, Mariathuruthu Bo | – |
| 686018 | Manganam So | – |
| 686019 | Manarcaudu So, Amayannur Bo, Malam Bo and 1 more | – |
| 686020 | Kiliroor North So, Kanjiram Bo, Thiruvarppu Bo | – |
| 686021 | Pariyaram So Kottayam | – |
| 686022 | Chengalam South So | – |
| 686041 | Malloossery So | – |
| 686101 | Changanacherry Ho, Changanacherry College So, Changanacherry Market So | – |
| 686102 | Perunna So, Fathimapuram Bo, Panachikavu Bo | – |
| 686103 | Vazhappally West So, Ruby Nagar Bo | – |
| 686104 | Kurisummoodu So, Veroor Bo | – |
| 686105 | Thrickodithanam So, Kottamurickal Bo | – |
| 686106 | Changanacherry Industrialnagar So, Cheeranchira Bo | – |
| 686121 | Erattupetta So, Nadackal Bo | – |
| 686122 | Aruvithura So | – |
| 686123 | Thidanad So | – |
| 686141 | Vaikom Ho | – |
| 686143 | Udayanapuram So, Akkarapadom Bo | – |
| 686144 | Kudavechoor So, Ambika Market Bo, Vechoor Bo | – |
| 686146 | Padinjarekkara So, Ayyarkulangara Bo, Vaikaprayar Bo and 1 more | – |
| 686501 | Velloor So, Areeparampu Bo | – |
| 686502 | Pampady So, Kooropada Bo, Kothala Bo and 4 more | – |
| 686503 | Anikad So, Anikad East Bo, Anikad West Bo and 5 more | – |
| 686504 | Vazhoor So, Vazhoor East Bo | – |
| 686505 | Theerthapadapuram So | – |
| 686506 | Ponkunnam So, Chennakunnu Bo, Kanjirapally West Bo and 4 more | – |
| 686507 | Kanjirapally Ho | – |
| 686508 | Kalaketty So, Anakkal Bo, Chemmalamattom Bo and 3 more | – |
| 686509 | Erumely So, Kanakapalam Bo, Kannimala Bo and 2 more | – |
| 686510 | Edakadathy Bo, Kanamala Bo, Muttappally Bo and 1 more | – |
| 686512 | Parathode So Kottayam, Chittadi Bo, Edakkunnam Bo and 3 more | – |
| 686513 | Mundakayam So, Karinilam Bo, Koruthode Bo and 3 more | – |
| 686514 | Koottickal So, Elamkadu Bo, Parathanam Bo and 3 more | – |
| 686515 | Pulickakavala So, Kanam Bo | – |
Bank branches and IFSC codes in Kottayam district 35 banks, 256 branches in the branch list. Listed by district, not by PIN code.