| Iloilo Province | |
| Area | Zip |
| Ajuy | 5012 |
| Alimondian | 5028 |
| Anilao | 5009 |
| Badiangan | 5033 |
| Balasan | 5018 |
| Banate | 5010 |
| Barotac Nuevo | 5007 |
| Barotac Viejo | 5011 |
| Batad | 5016 |
| Bingawan | 5041 |
| Cabatuan | 5031 |
| Calinog | 5040 |
| Carles | 5019 |
| Concepcion | 5013 |
| Dingle | 5035 |
| Dueñas | 5038 |
| Dumangas | 5006 |
| Estancia | 5017 |
| Guimbal | 5022 |
| Igbaras | 5029 |
| Iloilo City | 5000 |
| Janiuay | 5034 |
| Lambunao | 5042 |
| Leganes | 5003 |
| Lemery | 5043 |
| Leon | 5026 |
| Maasin | 5030 |
| Miagao | 5023 |
| Mina | 5032 |
| New Lucena | 5005 |
| Oton | 5020 |
| Passi | 5037 |
| Pavia | 5001 |
| Pototan | 5008 |
| San Dionisio | 5015 |
| San Enrique | 5036 |
| San Joaquin | 5024 |
| San Miguel | 5025 |
| San Rafael | 5039 |
| Santa Barbara | 5002 |
| Sara | 5014 |
| Tigbauan | 5021 |
| Tubungan | 5027 |
| Zarraga | 5004 |
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