Since March 20, 2008, a renewed numbering system added the prefix 2 for all landlines and 8 for all mobile phone numbers. This system was implemented in order to face the introduction of 1,5 million 3G W-CDMA due to Q1 2009. The transition to 8-digit based was heavily publicized on Costa Rican media. However, the change caused some confusion among many foreigners. Also, all calls dialed using the old 7-digit version of the phone number are automatically redirected to a voice message informing about the change.8 digit numbers are commonly written two ways: "xxxx xxxx" or "xx xx xx xx" [ Current Costa Rican Numeration Plan