You can call 150 from a VM landline or mobile, or 0345 454 1111, but best to call at 8am when lines first open to avoid call queues.
Also try this number 0800 064 3850 taken from the https://www.virginmedia.com/broadband/intelligent-wifi page.
(You can't currently use that page to order the pods as VM are only taking phone orders.)
A member of the Forum team may also pick this up for you in a day or two.
When did you receive the first pod @51mm5? you have to wait a week from receiving the first one before to can order another. Wait her and a mod will be able to help but may take longer than usual due to time of year.