Customers of OS33 have a number of options when it comes to paying their OS33 invoice.
Pay by Credit Card
For customers who wish to pay their invoice by credit card, OS33 accepts:
- American Express
To pay by credit card, complete and sign the credit card authorization form.
When completed and signed, please return to form to OS33 by Email or Fax:
- Email: email@example.com
- Fax: (972) 499-1201
Optionally, customers can opt to share the CVV2 number of the credit card via phone:
- Phone: (214) 717-4885
Pay by Check
For customers who wish to pay their invoice by check, please ensure the check has the following details:
- Payable to: OS33 Services Corp
- Reference/Memo: Invoice Number
Please mail the check to the following address:
OS33 Services Corp
PO Box 737
Keller, TX 76244-0737
Pay by ACH or Wire Transfer
For customers who wish to pay their invoice by ACH or Wire Transfer, please contact firstname.lastname@example.org to receive the appropriate routing details.