If you live in two states (e.g., "snowbirds") or travel frequently, you still buy insurance in your primary state but should look for specific plan types that offer broader networks: How to report a move to the Marketplace | HealthCare.gov
Under current federal and state laws, you generally purchase a health insurance plan in a state where you do not have a permanent residence. Insurance is regulated at the state level, and most individual plans require you to enroll in a plan available in the ZIP code of your primary residence . 1. Residency and Eligibility can i buy health insurance in another state
To buy insurance in a specific state, you must typically establish residency there. Key indicators of primary residency used by insurers include: If you live in two states (e