Credit Union Routing Number
Arlington Municipal Federal Credit Union Routing Number
The routing number for Arlington Municipal Federal Credit Union is 211380315. It is a credit union in Arlington, Massachusetts, NCUA charter 9805.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Arlington Municipal Federal Credit Union
Arlington Municipal Federal Credit Union is based in Arlington, Massachusetts, and has been chartered since 1954. It reported $9.8M in assets for Q2 2026, the 100th largest of 120 credit unions headquartered in Massachusetts and 3504th of 4,252 nationally. Assets were $9.7M a year earlier (Q2 2025), so the credit union is larger now. It counted 896 members on that report. The NCUA lists 2 branch locations for the credit union.
Record
- Routing number
- 211380315
- NCUA charter number
- 9805
- RSSD ID
- 987585
- Headquarters
- Arlington, Massachusetts 02476
- Chartered
- 1954
- NCUA insured since
- January 4, 1971
- Total assets (Q2 2026)
- $9.8M
- Members (Q2 2026)
- 896
- Branch locations
- 2
- Routing record refreshed
- October 8, 2026
Routing numbers of similar-size institutions in Massachusetts
- Bank, Arlington, MA
- Leader Bank, N.A.: 011307129
- Credit union, Watertown, MA
- Watertown Municipal Credit Union: 211386584
- Credit union, Taunton, MA
- Morton Federal Credit Union: 011392626
- Credit union, Cambridge, MA
- Cambridge Municipal Employees Federal Credit Union: 211381644
- Credit union, Dedham, MA
- Dedham Town Employees Federal Credit Union: 211382232
- Credit union, Lowell, MA
- Lowell Mass Municipal Employees Federal Credit Union: 211383875
- Credit union, Burlington, MA
- Burlington Municipal Employees Federal Credit Union: 211381563
- Credit union, Lynn, MA
- Lynn Police Credit Union: 211384065
View Arlington Municipal Federal Credit Union's full profile →
More in Massachusetts: routing numbers and credit unions. Is this not Arlington Municipal Federal Credit Union's number? Look up a routing number.
Regulator records: NCUA credit union profile (charter 9805) · FFIEC NIC profile (RSSD 987585)