There are a total of 90 Postal Codes in Loreto Region Peru
| Postal Code | Place Name | Region | Province |
|---|---|---|---|
| 16000 | San Juan Bautista | Loreto | Maynas |
| 16001 | Iquitos | Loreto | Maynas |
| 16002 | Iquitos | Loreto | Maynas |
| 16003 | Punchana | Loreto | Maynas |
| 16004 | Punchana | Loreto | Maynas |
| 16006 | Belén | Loreto | Maynas |
| 16007 | San Juan Bautista | Loreto | Maynas |
| 16008 | Belén | Loreto | Maynas |
| 16100 | Mazán | Loreto | Maynas |
| 16110 | Putumayo | Loreto | Maynas |
| 16111 | Putumayo | Loreto | Maynas |
| 16120 | Napo | Loreto | Maynas |
| 16121 | Napo | Loreto | Maynas |
| 16130 | Torres Causana | Loreto | Maynas |
| 16140 | Teniente Manuel Clavero | Loreto | Maynas |
| 16200 | Indiana | Loreto | Maynas |
| 16201 | Indiana | Loreto | Maynas |
| 16210 | Las Amazonas | Loreto | Maynas |
| 16220 | Pebas | Loreto | Mariscal Ramón Castilla |
| 16221 | Pebas | Loreto | Mariscal Ramón Castilla |
| 16230 | San Pablo | Loreto | Mariscal Ramón Castilla |
| 16231 | San Pablo | Loreto | Mariscal Ramón Castilla |
| 16240 | Ramón Castilla | Loreto | Mariscal Ramón Castilla |
| 16241 | Ramón Castilla | Loreto | Mariscal Ramón Castilla |
| 16250 | Yavarí | Loreto | Mariscal Ramón Castilla |
| 16251 | Yavarí | Loreto | Mariscal Ramón Castilla |
| 16300 | Nauta | Loreto | Loreto |
| 16310 | Fernado Lores | Loreto | Maynas |
| 16311 | Fernado Lores | Loreto | Maynas |
| 16320 | Saquena | Loreto | Requena |
| 16330 | Jenaro Herrera | Loreto | Requena |
| 16331 | Jenaro Herrera | Loreto | Requena |
| 16340 | Requena | Loreto | Requena |
| 16341 | Requena | Loreto | Requena |
| 16350 | Yaquerana | Loreto | Requena |
| 16360 | Soplin | Loreto | Requena |
| 16380 | Alto Tapiche | Loreto | Requena |
| 16400 | Capelo | Loreto | Requena |
| 16410 | Puinahua | Loreto | Requena |
| 16411 | Puinahua | Loreto | Requena |
| 16420 | Emilio San Martín | Loreto | Requena |
| 16421 | Emilio San Martín | Loreto | Requena |
| 16430 | Maquia | Loreto | Requena |
| 16431 | Maquia | Loreto | Requena |
| 16440 | Sarayacu | Loreto | Ucayali |
| 16450 | Vargas Guerra | Loreto | Ucayali |
| 16451 | Vargas Guerra | Loreto | Ucayali |
| 16460 | Inahuaya | Loreto | Ucayali |
| 16470 | Pampa Hermosa | Loreto | Ucayali |
| 16471 | Pampa Hermosa | Loreto | Ucayali |
| 16480 | Contamaná | Loreto | Ucayali |
| 16481 | Contamaná | Loreto | Ucayali |
| 16490 | Padre Marquez | Loreto | Ucayali |
| 16491 | Padre Marquez | Loreto | Ucayali |
| 16501 | Yurimaguas | Loreto | Alto Amazonas |
| 16510 | Balsapuerto | Loreto | Alto Amazonas |
| 16511 | Balsapuerto | Loreto | Alto Amazonas |
| 16520 | Jeberos | Loreto | Alto Amazonas |
| 16530 | Teniente Cesar López Rojas | Loreto | Alto Amazonas |
| 16531 | Teniente Cesar López Rojas | Loreto | Alto Amazonas |
| 16540 | Santa Cruz | Loreto | Alto Amazonas |
| 16550 | Lagunas | Loreto | Alto Amazonas |
| 16551 | Lagunas | Loreto | Alto Amazonas |
| 16561 | Urarinas | Loreto | Loreto |
| 16570 | Parinari | Loreto | Loreto |
| 16571 | Parinari | Loreto | Loreto |
| 16600 | Barranca | Loreto | Datem del Marañón |
| 16601 | Barranca | Loreto | Datem del Marañón |
| 16610 | Cahuapanas | Loreto | Datem del Marañón |
| 16611 | Cahuapanas | Loreto | Datem del Marañón |
| 16620 | Manseriche | Loreto | Datem del Marañón |
| 16621 | Manseriche | Loreto | Datem del Marañón |
| 16630 | Morona | Loreto | Datem del Marañón |
| 16631 | Morona | Loreto | Datem del Marañón |
| 16700 | Pastaza | Loreto | Datem del Marañón |
| 16701 | Pastaza | Loreto | Datem del Marañón |
| 16750 | Andoas | Loreto | Datem del Marañón |
| 16751 | Andoas | Loreto | Datem del Marañón |
| 16800 | Alto Nanay | Loreto | Maynas |
| 16810 | Tigre | Loreto | Loreto |
| 16811 | Tigre | Loreto | Loreto |
| 16820 | Trompeteros | Loreto | Loreto |
| 16821 | Trompeteros | Loreto | Loreto |