NCUA-insured credit union
First Frontier — Lynbrook, NY
Credit Union headquartered in Lynbrook, New York.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 155 Sherman St Lynbrook, NY 11563 |
| County | Nassau |
| Website | not published in NCUA data |
| Phone | (516) 599-8243 |
NCUA record
| NCUA Charter | 24270 |
| Federal Reserve RSSD ID | 414595 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
How to find your First 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
| Office main office Lynbrook, NY |
155 Sherman St, 11563 (516) 599-8243 By Appointment |
| Disaster Recovery North Baldwin, NY |
609 Colonial Pl, 11510 (516) 867-0621 By Appointment |
Where First Frontier has offices
Cities with the most First Frontier offices
Largest credit unions headquartered elsewhere in New York
| Fourleaf Bethpage | $14.37 billion |
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| Teachers Smithtown | $9.94 billion |
| Broadview Albany | $9.20 billion |
| Hudson Valley Poughkeepsie | $8.11 billion |
| Visions Endicott | $5.25 billion |
| Municipal New York | $5.10 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
