What is disclosed is a method of operating a wireless communication device. The method includes receiving home wireless access to communication services over a first wireless communication mode from a home wireless access node associated with a first wireless system identifier, and determining availability of roaming wireless access over a second wireless communication mode from a roaming wireless access node. The method also includes processing the first wireless system identifier to determine a first geographic group associated with the home wireless access node, and determining a network rescan timer for the roaming wireless access over the second wireless communication mode based on the first geographic group and the availability of the roaming wireless access.