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Medigap in ZIP code 98603, Cougar area

By Vadim Marusin, licensed Medicare insurance agent in Washington (WAOIC #1365574). Insurer data checked against the state chart current as of October 8, 2026.

98603 is in Cowlitz County, where 15 insurers sell Medicare Supplement plans: 15 sell Plan G and 14 sell Plan N.

ZIP 98603, Cowlitz County

County: Cowlitz
Closest community: Cougar
Medicare clinicians in 98603: 0
Nearest hospital: 25 mi

No Medicare clinician lists a practice address inside 98603. Nearest general hospital: Legacy Salmon Creek Medical Center in Vancouver, about 25 miles. Nearest Medicare-certified nursing home: Woodland Convalescent Center, about 19 miles (2 of 5 stars).

29,288 people on Medicare in Cowlitz County32% in Original Medicare (WA 50%)11% of those 65+ are 85 or older

Medigap plans sold in 98603

Cowlitz County line-up. Full list: Cougar. OIC chart, October 8, 2026.
Plan	Insurers	Who
Plan G	15	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Plan N	14	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
High-deductible Plan G	6	HumanaDental, Insurance Company of North America, Premera, United American, United World Life (Mutual of Omaha), Washington National
Plan A	14	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Plan K	2	Regence BlueShield, UnitedHealthcare (AARP)
Plan F	13	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more

Hospitals near 98603

Straight-line distance from the town center. Source: CMS Hospital General Information.
Hospital	Distance	Type	CMS overall rating
Legacy Salmon Creek Medical Center Vancouver	25 mi	Acute care	4 of 5 stars
PeaceHealth Southwest Medical Center Vancouver	31 mi	Acute care	3 of 5 stars
PeaceHealth St. John Medical Center Longview	33 mi	Acute care	4 of 5 stars

Communities near 98603

Cougar (5 mi)
Amboy (10 mi)
Yacolt (13 mi)
Lewisville (17 mi)
La Center (18 mi)

Neighboring ZIP codes: 98601, 98625, 98616, 98675, 98674, 98629.

Common questions

Which insurers sell Medigap Plan G in 98603?

15 insurers sell Plan G to Cowlitz County residents (OIC chart current as of October 8, 2026).

How many Medigap insurers sell in 98603?

15, the Cowlitz County line-up.