A method and apparatus of acquiring program guide information for a digital television receiver. There is provided a digital television signal receiver, including: a tuner to receive a digital television transport stream (TS) which includes audio, video, and program information; an extractor to extract the program information from the received TS; a storage to store the extracted program information; a processor to access the storage to generate a channel list based on the stored program information stored in the storage, where the channel list comprises at least one channel number and the at least one channel number comprises at least one main channel number; and a user interface to allow a user to navigate the channel list to search a channel number, wherein if the at least one main channel number has a corresponding sub-channel number, the sub-channel number can be listed after the at least one main channel number.