Cities Served: Pepperell, Hollis, Dunstable, Groton, Townsend, West Groton, Nashua, Shirley, Brookline, Ayer, Tyngsboro, Westford, West Townsend, Devens, Lunenburg, Hudson, Greenville, North Chelmsford, Littleton, Lowell, Harvard, Milford, Ashby, Still River, Boxborough, Chelmsford, Village Of Nagog Woods, Merrimack, Leominster, Litchfield, Pelham, Lancaster, Amherst, Dracut, Fitchburg, Acton, Billerica, North Billerica, Wilton, Carlisle, Windham, New Ipswich, Bolton, South Lancaster, Mont Vernon, Londonderry, Temple, Stow, Ashburnham, Westminster, Maynard, Tewksbury, Sterling, Concord, Clinton, Nutting Lake, Bedford, East Princeton, Methuen, Lyndeborough, Salem, Berlin, Pinehurst, Manchester, Princeton, Lawrence, East Derry, Hanscom Afb, North Salem, Sudbury, New Boston, Gardner, Peterborough, Derry, Winchendon Springs