📧 2728 Zip Code - Location and Information
Discover the location and detailed information for zip code 2728 in Ilocos Sur, Ilocos Region (Region I).
| Location | Zip Code | City or Town | Region or Province | Phone Area Code |
|---|---|---|---|---|
| San Ildefonso |
|
Ilocos Sur | Ilocos Region (Region I) |
|