What ACA marketplace plans are available in Lewis and Clark County, Montana in 2026?
Lewis and Clark County, Montana has 39 ACA marketplace plans from 3 insurers in 2026, with monthly premiums for a 40-year-old ranging from $357 to $918 and a benchmark (second-lowest-cost silver) plan at $748 per month, per the CMS PY2026 QHP Landscape file. 2027 plans for Lewis and Clark County are now available — to compare them and enroll, call United Enrollment Services, a licensed insurance agency, at 1-866-401-4116.
Updated July 23, 2026 · Reviewed by Jason Burns, Editorial Steward
Reviewed by Heather Fabrizio, licensed in Montana (License #3002917427) · reviewed Jul 25, 2026
Three lowest-cost silver plans at age 40
- Blue Cross and Blue Shield of Montana — Blue Focus Silver POS℠ Standard · $739.35/mo · deductible $6,000 · MOOP $8,900
- PacificSource Health Plans — Core Silver 5000 · $748.00/mo · deductible $5,000 · MOOP $8,600
- Blue Cross and Blue Shield of Montana — Blue Focus Silver POS℠ 206 · $754.94/mo · deductible $3,500 · MOOP $8,900
See the full Lewis and Clark County plan table with all issuers, metal tiers, and cost-sharing →
Source: PY2026 QHP Landscape, Individual Market Medical (CMS Public Use File, released May 2026).