Contact Us

By Phone

Toll Free: (800)-558-4671 or (303) 881-6362

Normal Sales Hours: 8am–5pm, Mountain Time

Feel free to call us outside these normal hours—we may be available on a case-by-case basis. However, additional premiums may apply to evening or weekend trades. We do not answer any calls or emails on Sunday.

By Fax


By Email

For orders and general questions:

For tracking number and shipping inquiries:

Want to report an issue regarding our website?

By Mail

Cornerstone Bullion  PO Box 1043  Castle Rock, CO 80104

Please note, this is a mailing address for correspondence only.

Note: DO NOT ship any bullion items or payments to this address without prior authorization from our sales department!