| Ort | Postleitzahl |
|---|---|
| Aggasian, Ilagan | 3300 |
| Alibagu, Ilagan | 3300 |
| Allinguigan 1st, Ilagan | 3300 |
| Allinguigan 2nd, Ilagan | 3300 |
| Allinguigan 3rd, Ilagan | 3300 |
| Arusip, Ilagan | 3300 |
| Baculod, Ilagan | 3300 |
| Bagong Silang, Ilagan | 3300 |
| Bagumbayan, Ilagan | 3300 |
| Baligatan, Ilagan | 3300 |
| Ballacong, Ilagan | 3300 |
| Bangag, Ilagan | 3300 |
| Batong-Labang, Ilagan | 3300 |
| Bigao, Ilagan | 3300 |
| Cabannungan 1st, Ilagan | 3300 |
| Cabannungan 2nd, Ilagan | 3300 |
| Cabeseria 10, Ilagan | 3300 |
| Cabeseria 14 and 16, Ilagan | 3300 |
| Cabeseria 17 and 21, Ilagan | 3300 |
| Cabeseria 19, Ilagan | 3300 |
| Cabeseria 2, Ilagan | 3300 |
| Cabeseria 22, Ilagan | 3300 |
| Cabeseria 23, Ilagan | 3300 |
| Cabeseria 25, Ilagan | 3300 |
| Cabeseria 27, Ilagan | 3300 |
| Cabeseria 3, Ilagan | 3300 |