Updating order numbers
1. Sign in to Verizon Enterprise Center
2. Select Billing > Manage billing accounts
3. Next to the account of your choice, click the three dots icon and select Purchase order number from the actions menu. You may add more accounts from the list to update PO number
4. Click Proceed
5. Enter the new PO number in the text box, then click Update
6. View the confirmation message for the PO number update; then click the X (in the top right corner) to close the slider