Credit union 600 Atlantic
600 Atlantic is a federally insured credit union based in Boston, Massachusetts.
- Type
- Credit union
- Charter
- Federally chartered credit union
- Primary regulator
- NCUA
- Established
- January 1, 1946
- Headquarters
- Boston, MA
- NCUA charter #
- 5256
- Fed RSSD ID
- 727679
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
600 Atlantic operates 2 branch locations across 2 states. Select a state to drill down to its towns and individual branches.
Ownership
600 Atlantic is not currently recorded under a holding company in the federal data — it appears to be independently held. See its structure & merger history for any past changes.
600 Atlantic financial summary
Other credit unions in Massachusetts
Federally insured credit unions headquartered in Massachusetts, by total assets.
- Rockland $3.74B
- Metro $3.3B
- Workers $2.51B
- Brightbridge $2.39B
- Hanscom $2.19B
- Jeanne D'Arc $2.19B
- Greylock $1.71B
- Webster First $1.5B
Similar-size credit unions
Institutions close to 600 Atlantic’s $39.3M in assets.
- First Nrv $39.3M
- Austin $39.3M
- Befit Financial $39.3M
- Planites $39.4M
- National J. A. C. L. $39.2M
- Golden Valley $39.4M