Isabela is a province in the Cagayan Valley Region of the Philippines, and its ZIP codes range from 3300 to 3336. These four-digit codes are issued by the Philippine Postal Corporation (PHLPost) and help make mail, packages, forms, and deliveries faster and more accurate across towns and cities in the province.
Key Information About Isabela
| Item | Details |
|---|---|
| Province | Isabela |
| ZIP Code Range | 3300 – 3336 |
| Area Code | 78 |
| ISO Code | PH-ISA |
| Capital / Seat | Ilagan |
| Country | Philippines |
| Region | Asia (Cagayan Valley) |
ZIP Codes of Isabela by Municipality
Use the table below to quickly find the correct ZIP code for any town or city in Isabela.
| Municipality | ZIP Code | Area Code |
|---|---|---|
| Aurora | 3316 | 78 |
| Benito Soliven | 3331 | 78 |
| Burgos | 3322 | 78 |
| Cabagan | 3328 | 78 |
| Cabatuan | 3315 | 78 |
| Cauayan | 3305 | 78 |
| Cordon | 3312 | 78 |
| Delfin Albano | 3326 | 78 |
| Dinapigue | 3336 | 78 |
| Divilacan | 3335 | 78 |
| Echague | 3309 | 78 |
| Gamu | 3301 | 78 |
| Ilagan | 3300 | 78 |
| Jones | 3313 | 78 |
| Luna | 3304 | 78 |
| Maconacon | 3333 | 78 |
| Mallig | 3323 | 78 |
| Naguillan | 3302 | 78 |
| Palanan | 3334 | 78 |
| Quezon | 3324 | 78 |
| Quirino | 3321 | 78 |
| Ramon | 3319 | 78 |
| Reina Mercedes | 3303 | 78 |
| Roxas | 3320 | 78 |
| San Agustin | 3314 | 78 |
| San Guillermo | 3308 | 78 |
| San Isidro | 3310 | 78 |
| San Manuel | 3317 | 78 |
| San Mariano | 3332 | 78 |
| San Mateo | 3318 | 78 |
| San Pablo | 3329 | 78 |
| Santa Maria | 3330 | 78 |
| Santiago | 3311 | 78 |
| Santo Tomas | 3327 | 78 |
| Tumauini | 3325 | 78 |
About Isabela ZIP Code
Every municipality and city in Isabela has its own ZIP code, which is sometimes also called a postal code. Using the correct ZIP code ensures that mail, packages, and official forms reach their destination quickly and accurately. For towns like Ilagan, Cauayan, and Santiago, including the correct ZIP code helps speed up delivery and prevents delays.