A vehicular multimode cellular/PCS phone including a chipset located in the vehicle for communicating with at least one of a plurality of wireless service provider networks; an multimode antenna in communication with the chipset for communicating with a wireless base antenna of at least one of the plurality of wireless service provider networks; at least one medium port for receiving a removable medium, the removable medium containing at least one of access numbers, access codes, and access authentication numbers of at least one of the plurality of wireless service provider networks.