San Juan
Municipality in the Philippines
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San Juan, officially the Municipality of San Juan, formerly called as Lapog, is a 3rd class municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 26,674 people. Wikipedia
ZIP code: 2731
Mayor: Ma. Elaine A. Sarmiento
Barangays: 32 (see Barangays)
District: 1st district
IDD: area code: +63 (0)77
Native languages: Ilocano; Tagalog
PSGC: 012920000