MPBN operates 5 full-power television stations:
WCBB Augusta (Lewiston, Portland) 10 (VHF) November 13, 1961
WMEB-TV (flagship) Orono (Bangor) 9 (VHF) September 23, 1963
WMEM-TV Presque Isle 10 (VHF) February 17, 1964
WMED-TV Calais 10 (VHF) September 15, 1965
WMEA-TV1 Biddeford (Portland) 45 (UHF) March 15, 1975

MPBN also operates 4 translator stations:
W04BH 4 Allagash
W04BS-D 4 Bethel
W03AM-D 3 Harrison
W05DD-D 5 St. Francis