General FAQs

General FAQs

Our phone number is 406.651.AFCU (2328) or 800.221.7555
Our fax number is 406.651.2359
You may email us at
We have sevenĀ Locations

Altana FCU’s routing number is 292977666

When wiring funds to an Altana account from another financial institution, provide the following wire information:
Millennium Corporate Credit Union
Helena, MT
ABA # 301180111

For further credit to:
Altana Federal Credit Union
Billings, MT
Account # 292977666

For final credit to:
Member Name
Account #

When wiring funds to an outside institution* from an Altana account, please visit any Altana location. Your signature and valid identification are required for outgoing wires.

If you need to initiate a wire by telephone, fax or email, you must first set up a wire password with us. This process may take several days, and requires additional verification for security purposes. Please contact us at (800)221-7555 or (406)651-AFCU(2328) for more information.

When sending a domestic wire (within the United States), please provide us with the following information:
Name of Financial Institution
City and State
ABA and Routing Numbers
Name of the Account Holder
Account Number
and Account type
Any special instructions provided by the outside institution

When sending an international wire, please provide us with the following information:
Name of the Account Holder (Beneficiary Name)
Account Number or IBAN Number
Address of the Account Holder
City, Country, Zip of the Account Holder
Name of Financial Institution
Financial Institution Identifying Number (SWIFT, UKSORT, BLZ, BSB, TRNO)
Address of the Outside Financial Institution
Purpose of the transaction
Any special instructions provided by the outside institution
* We may contact you for more information as required by the receiving institution.

Cut Off times:
2:00 PM
International – 1:00 PM

Persons who live, work, worship or attend school, and businesses located in the counties of Yellowstone, Carbon, Stillwater, Sweet Grass, Wheatland, Golden Valley and Musselshell are eligible for membership at Altana Federal Credit Union.

As an added feature of membership, immediate family members are able to join. Immediate family members include a spouse, child, sibling, parent, grandparent, grandchild, stepparent, stepchild, stepsibling or adoptive relationship.

Join us

You can mail to any one of our 7 locations, but our corporate office mailing address is:

Altana Federal Credit Union
3212 Central Ave
Billings, MT 59102

Please visit our locations page.

Altana Federal Credit Union observes the Federal holiday schedule, which may include:

New Year’s Day
Martin Luther King Jr. Day
President’s Day
Memorial Day
Independence Day
Labor Day
Columbus Day
Veteran’s Day
Thanksgiving Day
Christmas Day

Print and fill out the Change of Address form and mail it to our main office or drop it off at a location near you. We cannot accept the change of address sticker used by the United States Postal Service. If you are unable to print the form, you may write a letter making the request and mail it, we must have your signature on the letter.

Another option is to change your address in online banking.

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