Highmark

NCUA-insuredfederal charterlow-income designated

Headquartered in Rapid City, South Dakota. Chartered in 1940. Charter number 4122.

Total assets

$260M

Members

13,724

Shares & deposits

$238M

Net worth ratio

7.51%

net worth / assets

Locations (5)

Highmark Main Officemain officeCorporate Office

725 5th St, Rapid City, SD 57701 map

☎ 6057164444ATMDrive-throughMember services

7:30 - 5:30 Monday - Friday 8:00 - 12:00 Saturday

Custer BranchBranch Office

302 Mount Rushmore Rd, Custer, SD 57730 map

☎ 6056734444ATMMember services

9:00 - 4:00 Monday - Friday

Spearfish BranchBranch Office

309 W Jackson Blvd, Spearfish, SD 57783 map

☎ 6057164444ATMMember services

9:00 AM to 5:00 PM

Gillette BranchBranch Office

2717 S Douglas Hwy, Gillette, WY 82718 map

☎ 3076966032ATMDrive-throughMember services

9 AM to 5 PM

Belle Fourche BranchBranch Office

1842 5th Ave, Belle Fourche, SD 57717 map

☎ 6058924631ATMDrive-throughMember services

9 am - 5 pm Monday - Friday

States served

South Dakota (4)
Wyoming (1)

Transcribed from NCUA call-report data (cycle 2026-03). Phone numbers and hours are as reported to the NCUA and can lag reality — verify before visiting. Share deposits are NCUA-insured up to $250,000 per member.