Get a new card from your local transit service provider and register it, your guarantee if it is lost or stolen:
If your card still holds valid fares
With an expiry date (monthly, weekly): get a new card from your transit service providers mentionned above.
Without an expiry date (tickets, 1-day or 3-day passes): bring your card and go to one of these locations:
If you have already replaced your card and your expired card still held valid fares:
Please note that card issuing fees will be required to replace OPUS cards with a number higher than 02-2461523030.