ZP4 order form for MasterCard, Visa or Amex

Use this form to order ZP4 service paid by credit card.
Generate an invoice if you instead wish to pay by check.

I'm paying for existing account number: 
Create a new online account.

The current ZP4 processing rate is $1 per 1,000,000 bytes of input/output.
The minimum deposit into your account is $29.  You can consume your
account's funds as quickly or as slowly as you wish, with no deadline.

Charge my card to add $ to my online ZP4 account, and email me a receipt.

    Credit card number:  <- MasterCard, Visa or Amex
  Card expiration date:  
    Card security code: 
      Card holder name: 
   Card holder address: 
      Card holder ZIP®: 
                 Phone:  <- required for Amex

   Buyer email address:  (for credit card receipts)
Licensee email address:  (for user support and updates)

              Comments: 

Submitting this order indicates I understand the complete ordering terms and conditions.


Semaphore Corporation is a non-exclusive licensee of the United States Postal Service®. The prices of Semaphore Corporation services are not established, controlled or approved by the Postal Service. The following trademarks are owned by the United States Postal Service: ZIP, Postal Service, and United States Postal Service. [DA#4.07]