| Place | Post Code |
|---|---|
| Balite, Calumpit | 3003 |
| Balungao, Calumpit | 3003 |
| Buguion, Calumpit | 3003 |
| Bulusan, Calumpit | 3003 |
| Calizon, Calumpit | 3003 |
| Calumpang, Calumpit | 3003 |
| Caniogan, Calumpit | 3003 |
| Corazon, Calumpit | 3003 |
| Frances, Calumpit | 3003 |
| Gatbuca, Calumpit | 3003 |
| Gugo, Calumpit | 3003 |
| Iba Este, Calumpit | 3003 |
| Iba O'Este, Calumpit | 3003 |
| Longos, Calumpit | 3003 |
| Meysulao, Calumpit | 3003 |
| Meyto, Calumpit | 3003 |
| Palimbang, Calumpit | 3003 |
| Panducot, Calumpit | 3003 |
| Pio Cruzcosa, Calumpit | 3003 |
| Poblacion, Calumpit | 3003 |
| Pungo, Calumpit | 3003 |
| San Jose, Calumpit | 3003 |
| San Marcos, Calumpit | 3003 |
| San Miguel, Calumpit | 3003 |
| Santa Lucia, Calumpit | 3003 |
| Santo Niño, Calumpit | 3003 |