1. In a radio communication system having a mobile node operable to effectuate at least a first selected communication service with a selected available network portion of a network formed of a first network portion and at least a second network portion, the first network portion capable of performing a first set of communication services and the at least the second network portion capable of performing a second set of communication services, an improvement of apparatus for facilitating selection, at the mobile node, with which, if any, of the first and at least second network portions to effectuate the first selected communication service, said apparatus comprising: a first database listing a first set of entries of network portions, each entry of the 10 first set of entries associated with a first level of preference by the mobile node with which to communicate; at least a second database listing at least a second set of entries of network portions, each entry of the second set of entries identifying network portions associated with a second level of preference by the mobile node with which to communicate; a selector adapted to receive indications of when the mobile node is within coverage areas of the first and at least network portions and adapted to access said first and at least second databases, respectively, said selector for selecting with which, if any, of the first and at least second network portions to effectuate the first selected communication service, selection made by said selector responsive to which, if any, of the first and at least second sets of communication services that the first selected communication service is a member and with which of said first and at least second database listings that an associated one of the first and at least second network portions is associated.