As you make this purchase of InterNet Dial-Up Access, the secure payment form will ask for your contact information. Primary phone number / fax / e-mail can be entered there. The box below is for instructions on how we should reach you with key usage details after the payment is confirmed. Indicate your preferences for mode of contact, best time of day to reach you, phone number extension, extra phone numbers, and the like.
On the secure payment form address fields in the top part, 'Customer Billing Information', are for credit card billing address. If this differs from current address, 'Customer Shipping Information' in the bottom section can be filled in as well.