West Tennessee — Rural Northwest (Rating Area 5)

Above the fold: Your county decides your rating area, and your rating area decides which plans and prices you see on HealthCare.gov. Rating Area 5 covers 16 counties in rural northwest Tennessee, anchored by Jackson. Insurers file their 2027 plans and prices separately for each rating area — so the lineup in this part of the state is its own market, not the same as Nashville or Memphis.

Counties covered

Rating Area 5 includes Benton, Carroll, Chester, Crockett, Decatur, Dyer, Gibson, Hardeman, Hardin, Henderson, Henry, Lake, Madison, McNairy, Obion, and Weakley counties.

See the full 95-county index: Tennessee Counties & Rating Areas

Population center and market dynamics

Population center: Jackson (Madison County) — the largest city in this rating area and its commercial hub.

The following describes general market dynamics in this part of Tennessee, not carrier assignments for 2027:

• Choice follows density. Metro counties tend to draw more insurers; rural counties usually see one or two. That's the normal pattern, and it's how most rural Tennessee counties look.
• The network is the plan. In a rural market, the important question isn't just the monthly cost — it's whether your doctors, your hospital (for many here, in or around Jackson), and your regular prescriptions are in-network. Verify this before you enroll, every year.
• Telehealth can widen your options. Where provider choice is thin locally, a plan's telehealth coverage may matter more than it would in a city — check what's covered and at what cost tier.

Local enrollment help

• GetCoveredTenn (Navigator program): 1-866-475-7879. No in-person sites in Rating Area 5 — all 16 counties are served by phone and virtual help only.
• HealthCare.gov: 1-800-318-2596.

Navigator help is free, and nobody is paid on commission.

Frequently asked questions

Which insurers sell 2027 plans in Rating Area 5?

Statewide, five insurers are approved to sell 2027 marketplace plans in Tennessee: BlueCross BlueShield of Tennessee, Celtic/Ambetter, Oscar, UnitedHealthcare, and Alliant. The per-area lineup — who's actually selling in your county — is still being confirmed via HealthCare.gov window shopping. Enter your ZIP code on HealthCare.gov to see exactly what's available to you; this page will be updated when the lineup is confirmed.

Do prices in Rating Area 5 differ from neighboring areas?

They can. Insurers file prices per rating area, so a plan's price here doesn't have to match the same insurer's price in the Memphis area, Nashville area, or East Tennessee. The differences reflect each area's provider costs and insurer mix.

I'm moving within Tennessee — what changes?

A move across county lines can put you in a different rating area, which changes the plans and prices available to you. Moving triggers a special enrollment period: report the move to HealthCare.gov and shop your new ZIP code. Check that your doctors and prescriptions are in-network in the new area before you pick a plan.

Are premiums higher in rural areas?

Rural markets tend to have fewer insurers, which can mean less price competition. But your own premium depends on your income (premium tax credits are still available for 100–400% of the federal poverty level), the plan you pick, and your rating area's filed prices. Don't guess — window-shop your ZIP code and compare net prices after any credits.

When can I enroll for 2027?

Open enrollment runs November 1, 2026 – January 15, 2027. Enroll by December 15, 2026 for coverage starting January 1, 2027. Outside open enrollment, you can only enroll if you qualify for a special enrollment period (job loss, move, marriage, birth of a child, and similar life events).

Sources

• CMS Geographic Rating Areas documentation
• Tennessee Department of Commerce & Insurance (2027 marketplace insurer filings)
• CMS Navigator award summaries (GetCoveredTenn)

Keep reading

• Health Insurance by Region — Tennessee's regions explained
• Tennessee Counties & Rating Areas — the full 95-county index
• The Marketplace — how the federal marketplace works in Tennessee
• The Tennessee Enrollment Calendar — key dates and deadlines
• Buying Health Insurance in Rural Tennessee — insurance guidance for rural Tennessee