| Código postal | Localidade / Distrito | Região / Município | Coordenadas |
|---|---|---|---|
| Gobabis | Gobabis District · Omaheke | -22.45338, 18.97159 | |
| Otjipandjarwa | Gobabis District · Omaheke | -23.0266, 19.36415 | |
| Okomboha | Gobabis District · Omaheke | -23.04868, 19.79204 | |
| Nossobville | Gobabis District · Omaheke | -22.45, 18.98333 | |
| Kirschberg | Gobabis District · Omaheke | -22.7395, 18.89469 | |
| Epako | Gobabis District · Omaheke | -22.43333, 18.98333 | |
| Drimiopsis | Gobabis District · Omaheke | -22.09096, 19.04842 | |
| Doringveld | Gobabis District · Omaheke | -22.55841, 18.96349 | |
| Leonardville | Leonardville District · Omaheke | -23.50462, 18.7912 | |
| Tugus | Leonardville District · Omaheke | -23.73521, 19.31065 | |
| Tôasis II | Leonardville District · Omaheke | -23.79333, 19.43055 | |
| Tôasis I | Leonardville District · Omaheke | -23.79894, 19.48205 | |
| Sarie Maré | Leonardville District · Omaheke | -23.09598, 19.29475 | |
| Rietquelle | Leonardville District · Omaheke | -23.66333, 19.41335 | |
| Ozondjiva | Leonardville District · Omaheke | -23.4664, 19.29693 | |
| Otjovakombe | Leonardville District · Omaheke | -23.60319, 19.29679 | |
| Omawewozonyanda | Omawewozonyanda District · Omaheke | -21.60065, 19.41752 | |
| Ovinyuru | Omawewozonyanda District · Omaheke | -21.52336, 19.67621 | |
| Otjiyere | Omawewozonyanda District · Omaheke | -21.62697, 19.58183 | |
| Otjiwetjombungu | Omawewozonyanda District · Omaheke | -21.34168, 19.13549 | |
| Otjimanazongombe | Omawewozonyanda District · Omaheke | -21.43002, 19.89957 | |
| Okovimburu | Omawewozonyanda District · Omaheke | -21.51735, 19.47445 | |
| Okomumbonde | Omawewozonyanda District · Omaheke | -21.36796, 19.37374 | |
| Okatuwa | Omawewozonyanda District · Omaheke | -21.46667, 19.76667 | |
| Omitara | Omitara District · Omaheke | -22.28979, 18.00847 | |
| Steinhausen | Omitara District · Omaheke | -21.82165, 18.22472 | |
| Diana | Omitara District · Omaheke | -22.32843, 18.19156 | |
| Otjinene | Otjinene District · Omaheke | -21.13889, 18.7836 | |
| Summerdown | Otjinene District · Omaheke | -21.41526, 18.51683 | |
| Ozongaru | Otjinene District · Omaheke | -20.90613, 18.87021 | |
| Ovivapa | Otjinene District · Omaheke | -20.90784, 18.76184 | |
| Otjiwaneho | Otjinene District · Omaheke | -21.18992, 19.15943 | |
| Otjiwaketambo | Otjinene District · Omaheke | -20.98202, 18.69847 | |
| Otjikorondo | Otjinene District · Omaheke | -20.99651, 18.92203 | |
| Otjihitwa | Otjinene District · Omaheke | -20.95211, 18.82521 | |
| Tallismanus | Otjombinde · Omaheke | -21.84374, 20.74912 | |
| Rietfontein | Otjombinde · Omaheke | -21.90912, 20.90945 | |
| Buitepos | Otjombinde · Omaheke | -22.28148, 19.9931 | |
| Okoutjove | Otjombinde · Omaheke | -21.8203, 20.42777 | |
| Julendan | Otjombinde · Omaheke | -21.99734, 20.7707 | |
| Nuwe Môre | Otjombinde · Omaheke | -21.90163, 20.69756 | |
| Wilskrag | Otjombinde · Omaheke | -21.9982, 20.62649 | |
| Kappie Alleen | Otjombinde · Omaheke | -21.92751, 20.15241 | |
| Witvlei | Witvlei District · Omaheke | -22.41039, 18.49359 | |
| Ada | Witvlei District · Omaheke | -21.76321, 18.45707 |
O prefixo postal 18 em Namíbia cobre 45 localidades (Omaheke, incluindo Gobabis), na faixa de 18000 a 18601.
Existem 45 códigos postais ativos iniciados por 18 em Namíbia.