# What ACA marketplace plans are available in Petroleum County, Montana in 2027?

Petroleum County, Montana has 16 ACA marketplace plans from 2 insurers for 2027, with full-price monthly premiums for a 40-year-old ranging from $480 to $944 and a benchmark (second-lowest-cost silver) plan at $885 per month, before any premium tax credit, per CMS 2027 plan data. To compare plans and sign up for coverage, call a licensed agent at 1-855-333-3555.

_Last updated 2026-11-01 · Published by Private Health Insurance Direct Answers · Updated November 1, 2026 with CMS 2027 plan data_

## 2027 plan table

| Issuer | Plan | Metal | Age 40 | Deductible | MOOP |
|---|---|---|---|---|---|
| Mountain Health CO-OP | Peak PPO Catastrophic | Catastrophic | $480.46 | $12,000 | $12,000 |
| Mountain Health CO-OP | Peak PPO Bronze Standard | Expanded Bronze | $611.60 | $7,500 | $12,000 |
| Mountain Health CO-OP | Peak PPO Bronze HDHP | Expanded Bronze | $628.15 | $9,000 | $9,000 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Bronze PPO℠ - Support HSA | Expanded Bronze | $665.31 | $8,000 | $12,000 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Bronze PPO℠ - Standard HSA | Expanded Bronze | $684.52 | $7,500 | $12,000 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Security PPO℠ - HSA | Catastrophic | $701.90 | $12,000 | $12,000 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Gold PPO℠ - Secure | Gold | $850.32 | $1,800 | $7,800 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Gold PPO℠ - Standard | Gold | $851.05 | $2,500 | $8,600 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Gold PPO℠ - Balance | Gold | $854.69 | $2,500 | $8,600 |
| Mountain Health CO-OP | Peak PPO Silver Standard | Silver | $860.48 | $6,400 | $10,300 |
| Mountain Health CO-OP | Peak PPO Silver | Silver | $884.76 | $9,000 | $10,000 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Silver PPO℠ - Balance | Silver | $907.50 | $7,000 | $10,700 |
| Mountain Health CO-OP | Peak PPO Gold Standard | Gold | $920.65 | $2,500 | $8,600 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Silver PPO℠ - Standard | Silver | $922.59 | $6,400 | $10,300 |
| Mountain Health CO-OP | Peak PPO Gold | Gold | $923.17 | $2,000 | $7,000 |
| Blue Cross and Blue Shield of Montana | Blue Preferred Silver PPO℠ - Champion | Silver | $943.50 | $3,100 | $10,750 |

Premiums are full price for one 40-year-old non-smoker, before any premium tax credit.

## Questions about 2027 plans in Petroleum County

### How many ACA plans are available in Petroleum County for 2027?

Petroleum County, Montana has 16 ACA marketplace plans from 2 insurers for 2027, per CMS 2027 plan data.

### What is the 2027 benchmark (second-lowest-cost silver) premium in Petroleum County?

The 2027 benchmark (second-lowest-cost silver) premium in Petroleum County is $885 per month for a 40-year-old before tax credits.

### What is the cheapest 2027 plan in Petroleum County?

The cheapest 2027 plan in Petroleum County is Peak PPO Catastrophic from Mountain Health CO-OP, a Catastrophic plan at $480 per month for a 40-year-old before tax credits.

### When is Open Enrollment for 2027 coverage?

In states that use HealthCare.gov, Open Enrollment for 2027 coverage runs November 1, 2026 through January 15, 2027. Enroll by December 15, 2026 for coverage that starts January 1, 2027.

### How do I get help choosing or enrolling?

To compare plans and sign up for coverage, call a licensed agent at 1-855-333-3555. You can also enroll yourself at HealthCare.gov.

## Sources

- CMS PY2027 Plan Attributes and Rate public use files — https://data.healthcare.gov/dataset/9c1ab46b-95da-4aac-9a04-2bf363a28d9e (retrieved 2026-11-12)
- HealthCare.gov — https://www.healthcare.gov

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Updated: 2026-11-01T00:00:00.000Z
Published by: Private Health Insurance Direct Answers
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