There are a total of 28 Postal Codes in Tacna Region Peru
| Postal Code | Place Name | Region | Province |
|---|---|---|---|
| 23000 | Ciudad Nueva | Tacna | Tacna |
| 23001 | Tacna | Tacna | Tacna |
| 23002 | Alto de la Alianza | Tacna | Tacna |
| 23003 | Tacna | Tacna | Tacna |
| 23004 | Tacna | Tacna | Tacna |
| 23006 | Tacna | Tacna | Tacna |
| 23041 | Calana | Tacna | Tacna |
| 23100 | Estique Pampa | Tacna | Tarata |
| 23120 | Estique | Tacna | Tarata |
| 23200 | Tarata | Tacna | Tarata |
| 23220 | Ticaco | Tacna | Tarata |
| 23240 | Heroes Albarracín | Tacna | Tarata |
| 23300 | Sitajara | Tacna | Tarata |
| 23350 | Susapaya | Tacna | Tarata |
| 23400 | Quilahuani | Tacna | Candarave |
| 23420 | Candarave | Tacna | Candarave |
| 23440 | Cairani | Tacna | Candarave |
| 23460 | Huanaura | Tacna | Candarave |
| 23500 | Pachia | Tacna | Tacna |
| 23550 | Palca | Tacna | Tacna |
| 23600 | Inclan | Tacna | Tacna |
| 23650 | Sama | Tacna | Tacna |
| 23700 | Ite | Tacna | Jorge Basadre |
| 23750 | Locumba | Tacna | Jorge Basadre |
| 23800 | Ilabaya | Tacna | Jorge Basadre |
| 23850 | Camilaca | Tacna | Candarave |