Change or Cancel Your Order

If you would like to change the address or contact information on your order please visit the order status page to see the status of your item(s).


Does your order show tracking information?
  • If yes, we apologize for any inconvenience this has caused, however, we are unable to make any address changes to your order as it has already been shipped.
  • If no, please e-mail us at orders@TerahertzStore.com or you may call us at 847-701-3024 before 2pm CST, Monday-Friday, on the day of your order.
Guest Customers

If you do not have an account with us, you will need your order number and email address.

Check Order Status
Customers With Accounts

If you are an account holder, please log in for a detailed summary of your order status.

Log In & Check Order History

Select a help topic

Order Management

Check your order status, track deliveries, and download invoices in one place. Get help with order changes, cancellations, and notifications regarding backordered items or inventory updates.

Order Management
Shipping and Delivery

View shipping rates, delivery times, and carrier options including FedEx, USPS and drop shipments. Learn about our delivery policies on damaged goods, missing items, and freight forwarding.

Shipping and Delivery
Returns and Refunds

Manage your returns, refunds, and exchanges with ease. Follow our guide to request an RMA number, view restocking fee details, and learn how we handle damaged or defective items.

Returns and Refunds
Account Management

Manage your account settings and track orders in real-time. Easily update your profile, handle item subscriptions, and learn how to manage your privacy and security.

Account Management
Sales Policies and Payments

View details on how we process your orders, accepted payment methods, and sales tax. Plus, find information on our site security protocols and store policies.

Sales Policies and Payments
Support and Contact

Get expert technical support for your products or quick answers to your order-related questions by connecting with our team.

Support and Contact

F.A.Q. from customers

Haven't found the answer? We can help.

Contact Us

Contact options may differ depending on the type of help you need.

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