NCUA-insured credit union
Frontier — Idaho Falls, ID
Credit Union headquartered in Idaho Falls, Idaho.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | Po Box 1865 Idaho Falls, ID 83403 |
| County | Bonneville |
| Website | not published in NCUA data |
| Phone | (208) 523-9068 |
NCUA record
| NCUA Charter | 68376 |
| Federal Reserve RSSD ID | 929071 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
How to find your Frontier 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.
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Offices
| Idaho Falls Main main office Idaho Falls, ID |
865 S Woodruff Ave, 83401 (208) 523-9068 9:00 am - 5:30 pm M - F 10:00 am - 2:00 pm Sat |
| Ammon Ammon, ID |
3255 E 17Th St, 83406 (208) 528-5430 9:00 am - 5:30 pm M - F |
| Arco Arco, ID |
120 W Grand Ave, 83213 (208) 527-3941 9:00 am - 5:00 pm M - F |
| Challis Challis, ID |
493 S Us 93 Hwy Suite A, 83226 (208) 879-4545 9:00 am - 5:30 pm M - F |
| Driggs Driggs, ID |
1105 N Highway 33, 83422 (800) 727-9961 9:00 AM to 5:30 PM M-F |
| Freeman Idaho Falls, ID |
1170 Science Center Dr, 83402 (208) 523-9068 9:00 am - 5:30 pm |
| Ten Mile Meridian, ID |
3087 W Milano Dr, 83646 (800) 727-9961 9:00 AM to 5:30 PM |
| Montpelier Montpelier, ID |
230 N 4Th St, 83254 (800) 727-9961 9:00 - 5:30 Tuesday - Friday |
| Pocatello Pocatello, ID |
1700 Hurley Dr, 83202 (800) 727-9961 M-F 9:00 to 5:30Sat 10:00 to 2:00 |
| Rexburg Rexburg, ID |
310 N 2Nd E, 83440 (208) 356-0191 9:00 am - 5:00 pm M - F 10:00 am - 2:00 pm Sat |
| St Anthony Saint Anthony, ID |
750 N Bridge St, 83445 (208) 624-4352 9:00 am - 5:30 pm |
| Salmon Salmon, ID |
777 Shoup St, 83467 (208) 756-3329 9:00 am - 5:30 pm M - F |
16 offices in total. Browse them by city through the state pages.
Where Frontier has offices
Cities with the most Frontier offices
Other credit unions headquartered in Idaho Falls
| Westmark | $1.62 billion |
| Members Preferred | $60.32 million |
Largest credit unions headquartered elsewhere in Idaho
| Idaho Central Chubbuck | $14.95 billion |
| Potlatch No. 1 Financial Lewiston | $2.15 billion |
| Capital Educators Meridian | $1.40 billion |
| Pioneer Mountain Home | $738.64 million |
| Freedom Northwest Kamiah | $667.85 million |
| Beehive Rexburg | $642.17 million |
| Trugrocer Boise | $319.38 million |
| Lookout Pocatello | $309.20 million |
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