NCUA-insured credit union
Highmark
Credit Union headquartered in Rapid City, South Dakota.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | Po Box 2506 Rapid City, SD 57709 |
| County | Pennington |
| Website | not published in NCUA data |
| Phone | (605) 716-4444 |
NCUA record
| NCUA Charter | 4122 |
| Federal Reserve RSSD ID | 460079 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
Routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
See how your odds compare before you apply at Highmark.
Offices
| Highmark Main Office main office Rapid City, SD |
725 5Th St, 57701 (605) 716-4444 7:30 - 5:30 Monday - Friday 8:00 - 12:00 Saturday |
| Belle Fourche Branch Belle Fourche, SD |
1842 5Th Ave, 57717 (605) 892-4631 9 am - 5 pm Monday - Friday |
| Custer Branch Custer, SD |
302 Mount Rushmore Rd, 57730 (605) 673-4444 9:00 - 4:00 Monday - Friday |
| Spearfish Branch Spearfish, SD |
309 W Jackson Blvd, 57783 (605) 716-4444 9:00 AM to 5:00 PM |
| Gillette Branch Gillette, WY |
2717 S Douglas Hwy, 82718 (307) 696-6032 9 AM to 5 PM |
Where Highmark has offices
Other credit unions headquartered in Rapid City
| Black Hills | $2.37 billion |
| Aspen | $167.16 million |
| Dakota Star | $46.47 million |
| Rushmore Electric | $29.20 million |
| Minuteman | $16.27 million |
| Dacotah | $11.07 million |