| Location | Zip Code |
| Angat | 3012 |
| Balagtas (Bigaa) | 3016 |
| Baliuag | 3006 |
| Bocaue | 3018 |
| Bulacan | 3017 |
| Bustos | 3007 |
| Calumpit | 3003 |
| Doņa Remedios Trinidad | 3009 |
| Guiguinto | 3015 |
| Hagunoy | 3002 |
| Malolos City | 3000 |
| Marilao | 3019 |
| Meycauayan City | 3020 |
| Norsagaray | 3013 |
| Obando | 3021 |
| Pandi | 3014 |
| Paombong | 3001 |
| Plaridel | 3004 |
| Pulilan | 3005 |
| San Ildefonso | 3010 |
| San Jose del Monte City | 3023 |
| San Miguel | 3011 |
| San Rafael | 3008 |
| Santa Maria | 3022 |
| Sapang Palay | 3024 |