health
1577-1000 is the dedicated customer service line for the National Health Insurance Service, the public corporation that manages enrollment, collects premiums, and administers benefits for health insurance and related programs like the national pension. Calling it gets you guidance on eligibility, premium calculation, and registering dependents, often with foreign-language support available.
1345 is a separate hotline for immigration and residency-status questions, not insurance administration, so it won't help with premium or coverage issues. 112 is strictly for police emergencies and has nothing to do with insurance.
Knowing which of these numbers to call for which problem can save a lot of frustration, since Korean administrative services tend to be highly specialized by agency rather than centralized into one general helpline.
health
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