Join or Renew Membership

NCF Membership Purchase or Renewal Page

Anyone, anywhere can become a member of the NCF. While many members have a background in cryptology, others have joined because they are interested in the many contributions cryptology has made to our freedom. *Present the Membership Card you receive in the mail at the National Cryptologic Museum's gift shop for a 10% discount.

You can also purchase an NCF membership as a gift for another person using the Gift Membership form - perhaps as a gift for a student, mentee, colleague, family member, or friend.

Prefer to use Paypal? Please click on the "Now Accepting Paypal" button to use Paypal for your transaction.


For Existing Members Only:  To use Venmo to pay for your renewal, the NCF Venmo account name is NCF1996

Membership Level

Not sure which level of membership is right for you? Visit our Membership Levels & Benefits page for more details. If you would prefer to join by regular mail, please click here to view and print a PDF Membership Form.

Select Your Desired Level of Membership

Looking for the STUDENT MEMBERSHIP option? Visit the STUDENT MEMBERSHIP PAGE to join or renew as a student.

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Our quarterly cryptologic programs highlight relevant topics and feature exciting guest speakers.