Czech Republic

[rfranzq]

Originally Posted by NFH

With the requirement to top up once per year by at least CZK 200, you can accumulate an apparently useless surplus credit balance. However, this can be spent on tickets for the Prague metro. Simply send a text to 90206 containing "DPT" followed immediately by the value of the ticket you want. For example, to buy a 24-hour ticket for CZK 110, text "DPT110" to 90206. You will then receive a text back with the ticket number, which you can show to a ticket inspector if requested.

That might be useful. I wish this could be done in the US somewhere. A market for large balance PAYGO SIMs could be created if even one city had this ability.