1. A paging system, comprising: a paging system control terminal for preparing a page message, including, a first encoding dictionary containing a first plurality of selected words; a second encoding dictionary containing a second plurality of selected words different from said first plurality of selected words contained in said first encoding dictionary, said second plurality of words being larger than said first plurality of words; means for separating words of said page message; means for comparing each word of said page message with said one or more words in said first and second dictionaries; means, responsive to a match between said each word of said page message and said one or more words in said first and second dictionaries, for reformatting said page message using a compressed code corresponding to each said matched word of said page message; and means for combining a selected header code identifying either said first or second dictionary and the compressed code corresponding to each matched word of the page message; a transmitter for transmitting said reformatted page message; and a page receiver, including, first and second dictionaries similar to said first and second dictionaries of said paging system control terminal; means, responsive to each compressed code in said reformatted page message, for retrieving a corresponding word from one of said first and second dictionaries; and means for displaying each of said retrieved words.