49
- 04901 Waterville
- 04910 Albion
- 04911 Anson
- 04912 Athens
- 04915 Belfast
- 04917 Belgrade
- 04918 Belgrade Lakes
- 04920 Bingham
- 04921 Brooks
- 04922 Burnham
- 04923 Cambridge
- 04924 Canaan
- 04925 Caratunk
- 04926 China Village
- 04927 Clinton
- 04928 Corinna
- 04929 Detroit
- 04930 Dexter
- 04932 Dixmont
- 04933 East Newport
- 04936 Eustis
- 04937 Fairfield
- 04938 Farmington
- 04939 Garland
- 04940
- 04941 Freedom
- 04942 Harmony
- 04943 Hartland
- 04944 Hinckley
- 04945 Jackman
- 04947 Kingfield
- 04949 Liberty
- 04950 Madison
- 04951 Monroe
- 04952 Morrill
- 04953 Newport
- 04955 New Sharon
- 04956 New Vineyard
- 04957 Norridgewock
- 04958 North Anson
- 04961 New Portland
- 04962 North Vassalboro
- 04963 Oakland
- 04964 Oquossoc
- 04965 Palmyra
- 04966 Phillips
- 04967 Pittsfield
- 04969 Plymouth
- 04970 Rangeley
- 04971 Saint Albans
- 04973 Searsmont
- 04974 Searsport
- 04975 Shawmut
- 04976 Skowhegan
- 04978 Smithfield
- 04979 Solon
- 04981 Stockton Springs
- 04982 Stratton
- 04983 Strong
- 04984 Temple
- 04985 West Forks
- 04986 Thorndike
- 04987 Troy
- 04988 Unity
- 04989 Vassalboro
- 04992 West Farmington