Credit Union Routing Number
Sunmark Credit Union Routing Number
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The Sunmark Credit Union routing number is 221379824. It is a credit union in Latham, New York, NCUA charter 68710.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Sunmark Credit Union
Sunmark Credit Union is based in Latham, New York, and has been chartered since 1937. It reported $1.21B in assets for Q2 2026, the 23rd largest of 266 credit unions headquartered in New York and 407th of 4,249 nationally. Assets were $1.18B a year earlier (Q2 2025), so the credit union is larger now. It counted 89,171 members on that report. The NCUA lists 16 branch locations for the credit union.
Record
- Routing number
- 221379824
- NCUA charter number
- 68710
- RSSD ID
- 278377
- Headquarters
- Latham, New York 12110
- Chartered
- 1937
- NCUA insured since
- October 29, 1971
- Total assets (Q2 2026)
- $1.21B
- Members (Q2 2026)
- 89,171
- Branch locations
- 16
- Routing record refreshed
- October 16, 2026
Sunmark Credit Union routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 221379824 | Primary ABA | Active | FFIEC NIC |
How to confirm Sunmark Credit Union's routing number
- Compare 221379824 with the first nine digits on a Sunmark Credit Union check.
- Find Sunmark Credit Union's number in its online banking account details.
- Search 221379824 in the Federal Reserve's E-Payments Routing Directory.
What is the Sunmark Credit Union routing number?
The Sunmark Credit Union routing number is 221379824. It is the primary ABA routing number on the FFIEC record for NCUA charter 68710, refreshed here on October 16, 2026.
Does Sunmark Credit Union use the same routing number for wires?
The record lists one primary number for Sunmark Credit Union, 221379824, and does not say whether wires use it. Ask Sunmark Credit Union for its wire instructions before sending a wire.
Which credit union uses routing number 221379824?
Routing number 221379824 belongs to Sunmark Credit Union, a credit union in Latham, New York with $1.21B in assets for Q2 2026.
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View Sunmark Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 68710) · FFIEC NIC profile (RSSD 278377)