| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | area code |
|---|---|---|---|---|---|---|---|---|
| 86091 | Bagnoli del Trigno | IS | Molise | 0874 | A567 | Bagnoli del Trigno IS - Molise | 0874 | |
| 86011 | Baranello | CB | Molise | 0874 | A616 | Baranello CB - Molise | 0874 | |
| 86021 | Bojano | CB | Molise | 0874 | A930 | Bojano CB - Molise | 0874 | |
| 86041 | Bonefro | CB | Molise | 0874 | A971 | Bonefro CB - Molise | 0874 | |
| 86010 | Busso | CB | Molise | 0874 | B295 | Busso CB - Molise | 0874 | |
| 86100 | Campobasso | CB | Molise | 0874 | B519 | Campobasso CB - Molise | 0874 | |
| 86020 | Campochiaro | CB | Molise | 0874 | B522 | Campochiaro CB - Molise | 0874 | |
| 86010 | Campodipietra | CB | Molise | 0874 | B528 | Campodipietra CB - Molise | 0874 | |
| 86040 | Campolieto | CB | Molise | 0874 | B544 | Campolieto CB - Molise | 0874 | |
| 86043 | Casacalenda | CB | Molise | 0874 | B858 | Casacalenda CB - Molise | 0874 |