Credit Union Routing Number
Island Federal Credit Union Routing Number
The routing number for Island Federal Credit Union is 221475896. It is a credit union in Hauppauge, New York, NCUA charter 10023.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Island Federal Credit Union
Island Federal Credit Union is based in Hauppauge, New York, and has been chartered since 1955. It reported $1.34B in assets for Q2 2026, the 21st largest of 266 credit unions headquartered in New York and 373rd of 4,252 nationally. Assets were $1.43B a year earlier (Q2 2025), so the credit union is smaller now. It counted 50,004 members on that report. The NCUA lists 8 branch locations for the credit union.
Record
- Routing number
- 221475896
- NCUA charter number
- 10023
- RSSD ID
- 932286
- Headquarters
- Hauppauge, New York 11788
- Chartered
- 1955
- NCUA insured since
- April 7, 1971
- Total assets (Q2 2026)
- $1.34B
- Members (Q2 2026)
- 50,004
- Branch locations
- 8
- Routing record refreshed
- October 8, 2026
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View Island Federal Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 10023) · FFIEC NIC profile (RSSD 932286)