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Credit Union Routing Number

Air Tech Credit Union Routing Number

The routing number for Air Tech Credit Union is 275079578. It is a credit union in Milwaukee, Wisconsin, NCUA charter 66546.

Primary ABA / RTN
275079578

Data as of · size and membership from the NCUA 5300 call report. How we update

About Air Tech Credit Union

Air Tech Credit Union is based in Milwaukee, Wisconsin, and has been chartered since 1956. It reported $2.1M in assets for Q2 2026, the 94th largest of 98 credit unions headquartered in Wisconsin and 4016th of 4,252 nationally. Assets were $2.2M a year earlier (Q2 2025), so the credit union is smaller now. It counted 650 members on that report. The NCUA lists 1 branch location for the credit union.

Record

Routing number
275079578
NCUA charter number
66546
RSSD ID
557894
Headquarters
Milwaukee, Wisconsin 53207
Chartered
1956
NCUA insured since
October 1, 1985
Total assets (Q2 2026)
$2.1M
Members (Q2 2026)
650
Branch locations
1
Routing record refreshed
October 8, 2026
Check before you send money. Air Tech Credit Union's FFIEC record lists this one primary number and does not say whether it also serves wires. Confirm the wire number with the credit union. What a routing number is.

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