| Postal Code | Locality / District | Administrative Area | Coordinates |
|---|---|---|---|
| Madiki | Madiki District · Oranjestad | 12.52931, -70.04188 | |
| Bushiri | Madiki District · Oranjestad | 12.5353, -70.0469 | |
| Oranjestad | Oranjestad District · Oranjestad | 12.52398, -70.02703 | |
| Oranjestad North | Oranjestad District · Oranjestad | 12.53198, -70.01903 | |
| Ponton | Ponton District · Oranjestad | 12.53555, -70.03168 | |
| Ponton North | Ponton District · Oranjestad | 12.54355, -70.02368 | |
| Santa Helena | Santa Helena District · Oranjestad | 12.53089, -70.0365 | |
| Santa Helena North | Santa Helena District · Oranjestad | 12.53889, -70.0285 | |
| Sero Blanco | Sero Blanco District · Oranjestad | 12.52688, -70.02273 | |
| Sero Blanco North | Sero Blanco District · Oranjestad | 12.53488, -70.01473 | |
| Solito | Solito District · Oranjestad | 12.53078, -70.02732 | |
| Paramira | Solito District · Oranjestad | 12.52811, -70.02831 | |
| Tanki Leendert | Solito District · Oranjestad | 12.53914, -70.02004 |
Postal code prefix 12 in Aruba covers 13 localities (primarily in Oranjestad, including Madiki), spanning from 12000 to 12502.
There are 13 active postal codes starting with 12 in Aruba. Use the interactive directory table above to filter by locality or copy any code in one click.