| Place | Post Code |
|---|---|
| Calabasa, Jaen | 3109 |
| Dampulan, Jaen | 3109 |
| Don Mariano Marcos, Jaen | 3109 |
| Hilera, Jaen | 3109 |
| Imbunia, Jaen | 3109 |
| Imelda, Jaen | 3109 |
| Imelda Poblacion, Jaen | 3109 |
| Lambakin, Jaen | 3109 |
| Langla, Jaen | 3109 |
| Magsalisi, Jaen | 3109 |
| Malabon-Kaingin, Jaen | 3109 |
| Marawa, Jaen | 3109 |
| Niyugan, Jaen | 3109 |
| Ocampo-Rivera District, Jaen | 3109 |
| Pakol, Jaen | 3109 |
| Pamacpacan, Jaen | 3109 |
| Pinanggaan, Jaen | 3109 |
| Putlod, Jaen | 3109 |
| San Jose, Jaen | 3109 |
| San Josef, Jaen | 3109 |
| San Pablo, Jaen | 3109 |
| San Roque, Jaen | 3109 |
| San Vicente, Jaen | 3109 |
| Santa Rita, Jaen | 3109 |
| Santo Tomas North, Jaen | 3109 |
| Santo Tomas South, Jaen | 3109 |