US bank data · source-specific evidence

HIGHMARK

HIGHMARK in RAPID CITY, SD: NCUA identifier, address, linked locations and source date. Routing assignments are checked separately.

Institution details

Source identifier
NCUA cu:4122
Type
credit union
Address
PO BOX 2506, RAPID CITY, SD 57709-2506
Source status
Active in this snapshot
Snapshot
2026-03-31

Review the official NCUA source

Routing numbers and payment rails

Institution identity is not a routing-number assignment. This NCUA record does not establish ACH, Fedwire, FedNow or RTP eligibility. Obtain the routing number from your bank, then check the source observations in our routing checker. We do not guess routing numbers from bank names.

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Recorded locations: 5

Showing up to 20 locations linked by the official source identifier, not by name similarity. Confirm current opening status with the institution.

Belle Fourche Branch

1842 5th Ave
Belle Fourche, SD 57717

Custer Branch

302 Mount Rushmore Rd
Custer, SD 57730

Highmark Main Office

725 5th St
Rapid City, SD 57701

Spearfish Branch

309 W Jackson Blvd
Spearfish, SD 57783-2034

Gillette Branch

2717 S Douglas Hwy
Gillette, WY 82718-6409