Credit Union Routing Number
Suffolk Federal Credit Union Routing Number
The routing number for Suffolk Federal Credit Union is 221481181. It is a credit union in Medford, New York, NCUA charter 17914.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Suffolk Federal Credit Union
Suffolk Federal Credit Union is based in Medford, New York, and has been chartered since 1967. It reported $2.09B in assets for Q2 2026, the 15th largest of 266 credit unions headquartered in New York and 256th of 4,252 nationally. Assets were $1.94B a year earlier (Q2 2025), so the credit union is larger now. It counted 73,482 members on that report. The NCUA lists 11 branch locations for the credit union.
Record
- Routing number
- 221481181
- NCUA charter number
- 17914
- RSSD ID
- 847586
- Headquarters
- Medford, New York 11763
- Chartered
- 1967
- NCUA insured since
- January 3, 1972
- Total assets (Q2 2026)
- $2.09B
- Members (Q2 2026)
- 73,482
- Branch locations
- 11
- Routing record refreshed
- October 10, 2026
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View Suffolk Federal Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 17914) · FFIEC NIC profile (RSSD 847586)