PIN codes of Kerala by district
| District | PIN codes | Post offices | Head post office |
|---|---|---|---|
| Alappuzha | 115 (686102 to 690572) | 299 | Alappuzha 688001, Cherthala 688524, Chengannur 689121, Mavelikara 690101, Kayangulam 690502 |
| Kochi | 143 (680667 to 686693) | 394 | Kochi 682001, Ernakulam 682011, Aluva 683101, Perumbavoor 683542, Muvattupuzha 686661 |
| Idukki | 55 (685501 to 686514) | 296 | Kattappana 685508, Thodupuzha 685584 |
| Kannur | 103 (670001 to 673316) | 386 | Kannur 670001, Thalassery 670101, Taliparamba 670141 |
| Kasaragod | 33 (670511 to 673579) | 232 | Kasaragod 671121, Kanhangad 671315 |
| Kollam | 115 (689694 to 695562) | 367 | Karunagappally 690518, Kollam 691001, Punalur 691305, Kottarakara 691506 |
| Kottayam | 121 (686001 to 686653) | 406 | Kottayam 686001, Changanacherry 686101, Vaikom 686141, Kanjirapally 686507, Pala 686575 |
| Kozhikode | 90 (673001 to 673661) | 409 | Calicut 673001, Calicut Civil Station 673020, Vadakara 673101, Koyilandi 673305 |
| Malappuram | 103 (670307 to 679591) | 436 | TirurKerala 676101, Manjerikla 676121, Malappuram 676505, Ponani 679577 |
| Palakkad | 141 (673122 to 679554) | 456 | Palakkad 678001, Olavakkot 678002, Alathur Mbr 678541, Ottapalam 679101 |
| Pathanamthitta | 112 (685533 to 691556) | 319 | Tiruvalla 689101, Pathanamthitta 689645, Adur Kla 691523 |
| Trivandrum | 133 (695001 to 695615) | 414 | Thiruvananthapuram 695001, Poojapura 695012, Attingal 695101, Neyyattinkara 695121 |
| Thrissur | 167 (679105 to 680751) | 485 | Thrissur 680001, Irinjalakuda 680121, Chalakudi 680307, Kunnamkulam 680503, WadakancheryTC 680582 |
| Wayanad | 19 (670644 to 673596) | 163 | Kalpetta 673121 |
Head post offices in Kerala
Head post offices sort and dispatch the mail of the sub and branch offices around them. Their PIN codes are often the ones people mean by “the PIN code of” a city: Alappuzha 688001, Cherthala 688524, Chengannur 689121, Mavelikara 690101, Kayangulam 690502, Kochi 682001, Ernakulam 682011, Aluva 683101, Perumbavoor 683542, Muvattupuzha 686661, Kattappana 685508, Thodupuzha 685584, Kannur 670001, Thalassery 670101, Taliparamba 670141, Kasaragod 671121, Kanhangad 671315, Karunagappally 690518, Kollam 691001, Punalur 691305, Kottarakara 691506, Kottayam 686001, Changanacherry 686101, Vaikom 686141, Kanjirapally 686507, Pala 686575, Calicut 673001, Calicut Civil Station 673020, Vadakara 673101, Koyilandi 673305 and more in the district pages.