Contact Us

Contact Us

For faster assistance, please contact the appropriate team below and include your Order ID (if available). We respond by email first for record-keeping and faster resolution.

Support

Company Name: Black Jack LLC
Phone: +1 (646) 685-7197
Email: memorydiamond@brandblackjack.us
Address: 1309 Coffeen Avenue, STE 12680, Sheridan, Wyoming 82801, United States
EIN No: 32-0756613
Working Days/Hours: Mon – Sat / 9:30 AM – 6:30 PM EST
Response Time: We aim to respond within 24 to 48 hours

    Email Support

    For compliance and traceability, order confirmations and sample instructions are provided by email. WhatsApp is optional for quick updates only.

    Policies and Help Pages

    These pages are provided to help customers understand timelines, costs, and policies before checkout.

    Social Media

    For order-related help, email is the fastest method and also helps us verify and resolve issues securely.

    By contacting us, you consent to receive replies related to your request, including order updates, verification messages, and service communications. We do not request passwords or full card details by email or chat.