Kerala PIN Codes - Places starting with O
| Othayammadam | 670301 |
| Olayambadi | 670306 |
| Ottathai | 670571 |
| Ozhinha Valappu | 671314 |
| Olavanna | 673025 |
| Onchiyam | 673308 |
| Olavilam | 673313 |
| Orkatteri | 673501 |
| Omasseri | 673572 |
| Oravil | 673614 |
| Olavattur | 673638 |
| Omanur | 673640 |
| Olukkur | 673642 |
| Olamathi | 673642 |
| Olalakkara | 676306 |
| Ozhur | 676313 |
| Omachapuzha | 676320 |
| Oorakam Keezhmuri Edso | 676515 |
| Oorakam Melmuri | 676519 |
| Othukungal | 676528 |
| Olavakot | 678002 |
| Olasseri | 678551 |
| Olalapadi | 678557 |
| Olive Mount | 678702 |
| Olinkadavu | 678706 |
| Ottapalam | 679101 |
| Otalur | 679534 |
| Othalur West | 679591 |
| Ollur | 680306 |
| Orumanayur | 680512 |
| Ollur Thaikkattusseri | 680655 |
| Ollukara | 680655 |
| Ochanathuruthu | 682508 |
| Okkal | 683550 |
| Ottalloor | 685586 |
| Olassa | 686014 |
| Onamthuruthu | 686602 |
| Ozhavur | 686634 |
| Ozhavur East | 686634 |
| Onakkoor | 686667 |
| Oliyapuram Edso | 686679 |
| Oonnukal | 686693 |
| Ooramana | 686730 |
| Olavaipu | 688526 |
| Othara | 689546 |
| Othara West | 689551 |
| Oonukal Quilon | 689647 |
| Omallur Kla | 689647 |
| Oonakkavu | 689674 |
| Ottupura | 689691 |
| Olattiambalam | 690510 |
| Ochira | 690526 |
| Ottakal | 691308 |
| Oyur | 691510 |
| Odanavattom | 691512 |
| Ozhukuparackal | 691533 |
| Oolampara | 695005 |
| Ookode | 695020 |
| Oorupoika | 695104 |
| Ottasekhara Mangalam | 695125 |
| Olathanni | 695133 |
| Ooruttambalam | 695507 |
