South Boston · South Boston, MA
Mass Bay Credit Union
147 W 4th St, South Boston, MA 02127
Right now
Hours below
- Address
- 147 W 4th St, South Boston, MA 02127
- Phone
- (617) 269-2700
- At this location
- ATM, Member services
- County
- Suffolk
- Type
- State-chartered credit union
Lobby hours
| Monday | 8:45 AM–4:15 PM |
|---|---|
| Tuesday | 8:45 AM–4:15 PM |
| Wednesday | 8:45 AM–4:15 PM |
| Thursday | 8:45 AM–4:15 PM |
| Friday | 8:45 AM–4:15 PM |
| Saturday | Closed |
| Sunday | Closed |
Hours as filed with the NCUA: 8:45 AM to 4:15 PM
Mass Bay Credit Union
- Members
- 17,761
- Total assets
- $366.7 million
- Locations
- 4
- Insurance
- NCUA
About Mass Bay Credit Union
State-chartered credit union, insured by the NCUA. All 4 locations →
Headquartered in South Boston, MA. Deposits are insured by the NCUA up to $250,000 per member, per ownership category. Each credit union decides who can join, for example people who live or work in an area, or work for a certain employer. Its website lists who is eligible.
Other Mass Bay locations nearby
Other credit unions near 147 W 4th St
- City of Boston Credit Union130 W Broadway · South BostonHours as filed0.1 mi
- Albright Credit Union1 Gillette Park · South Boston0.3 mi
- Taupa Lithuanian Federal Credit Union368 W Broadway · South Boston · Main officeHours as filed0.4 mi
- City of Boston Credit Union455 W Broadway · South Boston · Main office0.5 mi
- First Priority Credit Union25 Dorchester Ave · Boston · Main officeHours as filed0.7 mi
- Sag-Aftra Federal Credit Union745 Atlantic Ave · Boston0.7 mi
- New England Lee Federal Credit Union72 Kneeland St · Boston · Main office0.7 mi
- Alpha Credit Union800 Washington St · Boston0.8 mi
- 600 Atlantic Federal Credit Union600 Atlantic Ave · Boston · Main officeHours as filed0.9 mi
Source: NCUA quarterly credit union data, cycle June 30, 2026. Distances are straight-line. Holiday closures are not in the data; call before you go.