Yes, you can use the BlackBerryContactGroup to read contacts within a group a user has created on their BlackBerry handheld. Note that programmatic access is read only, so you won't be able to add or remove contacts from a group.
Mark Sohm BlackBerry Development Advisor
Please refrain from posting new questions in solved threads. Problem solved? Click the Accept As Solution button. Found a bug? Report it using Issue Tracker