Credit Union Routing Number
Mutual Security Credit Union, Inc. Routing Number
The routing number for Mutual Security Credit Union, Inc. is 221174508. It is a credit union in Shelton, Connecticut, NCUA charter 68479.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Mutual Security Credit Union, Inc.
Mutual Security Credit Union, Inc. is based in Shelton, Connecticut, and has been chartered since 1954. It reported $385.4M in assets for Q2 2026, the 9th largest of 63 credit unions headquartered in Connecticut and 893rd of 4,252 nationally. Assets were $361.8M a year earlier (Q2 2025), so the credit union is larger now. It counted 25,130 members on that report. The NCUA lists 11 branch locations for the credit union.
Record
- Routing number
- 221174508
- NCUA charter number
- 68479
- RSSD ID
- 603296
- Headquarters
- Shelton, Connecticut 06484
- Chartered
- 1954
- NCUA insured since
- June 16, 1982
- Total assets (Q2 2026)
- $385.4M
- Members (Q2 2026)
- 25,130
- Branch locations
- 11
- Routing record refreshed
- October 8, 2026
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Regulator records: NCUA credit union profile (charter 68479) · FFIEC NIC profile (RSSD 603296)