| Code | Name | Region |
|---|---|---|
| INKDM | Kodambakkam | TN |
| INKDA | Kodarma (koderma) | JH |
| INKOD | Kodinar | GJ |
| INKDR | Kodungallur | KL |
| INKTW | Koheshwar | GJ |
| INKOI | Koilthottum | KL |
| INKOK | Koka | GJ |
| INKOR | Kokrajhar | AS |
| INKOL | Kolabira | OR |
| INKLR | Kolar | KA |
| INKLH | Kolhapur | MH |
| INCCU | Kolkata (ex Calcutta) | WB |
| INBNK | Kolkata It Park/bantala | WB |
| INKUK | Kollam | KL |
| INKHS | Khandsha | HR |
| INKGR | Kharagpur | WB |
| INWSI | Kharsawan | JH |
| INKHU | Khatauli | UP |
| INKHA | Khatima | UP |
| INKHE | Kheda | GJ |
| INKHD | Kheda/dhar | MP |
| INLAH | Kheri | UP |
| INKHO | Khodiyar | GJ |
| INKPL | Khopoli | |
| INKHP | Khopta | |
| INIXN | Khowai | |
| INKWG | Khowaighat | TR |
| INKWA | Khunwa | UP |
| INHSF | Kiadbfp-sez/hassan | KA |
| INHSP | Kiadbp-sez/hassan | KA |
| INHST | Kiadbt-sez/hassan | KA |
| INKKR | Kilakari | TN |
| INKTI | Kiltan Is | LD |
| INTVC | Kinfraa-sez/thiruvananthapuram | KL |
| INKAI | Katni | MP |
| INKAT | Kattupalli | TN |
| INKTP | Kattupalli Port | TN |
| INKVT | Kavaram Is | LD |
| INKVI | Kavi | GJ |
| INBNC | Kbits-sez/bangalore | KA |
| INKEL | Kel Sahar Subdivision | TR |
| INKSH | Kelshi | MH |
| INKIW | Kelwa | MH |
| INKNP | Kendrapara | OR |
| INKHR | Kendujhar | OR |
| INKEO | Keonjhar | OR |
| INMDU | Kern Icd/madurai | TN |
| INIXK | Keshod | |
| INHJR | Khajuraho | |
| INKLP | Khalapur | MH |