ONTARIO
Commercial began 1916. 5-digit expected 1919 with thinner dies.
1930-54 6-figure plates are 2 inches longer than passenger.
FORMATS 1916-29 1930-54
C1 - C99-999 1C - 99999C
C1 - C99999 (1944?, 1947-54)
1B - 99999B (1950-54)
B10001 - B99999 (1952 only)
1916 C2157 1929 C48-464 1942 95808C
1917 C3420 1930 65-004C* 1943 94146C
1918 C4450 1931 68-673C* C4102 (1944?)
1919 C9604 1932 66-947C* 1945 75321C
1920 C16907* 1933 65848-C* 1946 95608C
1921 C8-270 1934 56966-C 1947 C45779 (145,778*)
1922 C22-275 1935 68526-C* 1948 C62541 (162,540)
1923 C29-613* 1936 74585-C* 1949 C74023 (174,022)
1924 C32-034* 1937 74697-C 1950 10519B (210,517*)
1925 C33-655 1938 76565C 1951 7906B (207,904)
1926 C42-413* 1939 78643C B54759 (1952?)
1927 C40-944 1940 77974C 1953 76684B (276,682*)
1928 C51-693 1941 81118C 1954 84430B (284,428*)
1936: Type 1 - Locking plate for rear, legend "(19) ONT (36)"
at top, smaller dies, 1-C - 68886-C.
Type 2 - Both plates non-locking, in 1937 dies,
72256-C - 74585-C (2,330 P).
1943: 94146C stamped over 93346C of unknown year,
C4023 - C4102 are overstamped.
1944: W/S sticker legend "COMMERCIAL".
FORMATS 1955-80
1955 1-000A - 99-999D
1956-64 1000-A - 99999-D
1965 - MAR 68 1000-B - 99999-C, B-1000 - C-99999
MAR-69 10-00B - 999-99C, B1-000 - C99-999
MAR-70 10-00B - 999-99C, B1-000 - C99-999, 1B1-000 - 9B9-999
MAR-71 - MAR-73 10-00B - 999-99B, B1-000 - B99-999, 10-00C etc.
MAR-74 - MAR-80 A1-001 - K99-999 (No G,I used)
1955 13-155D (309,156*) MAR-70 1B5-195 (400,196*)
1956 12508-D (308,509*) MAR-71 247-37D (419,738*)
1957 44010-D (340,011*) MAR-72 502-69D (445,270*)
1958 48381-D (344,382*) MAR-73 794-20D (474,421*)
1959 49597-D (345,598*) MAR-74 F15-034 (509,029*)
1960 58763-D (354,764*) MAR-75 H57-462 (650,456*)
1961 56209-D (352,210*) MAR-76 J16-066 (708,059*)
1962 65856-D (361,857*) MAR-77 J64-722 (756,715*)
1963 59261-D (355,262*) MAR-78 K35-747 (826,739*)
1964 54227-D (350,228*) MAR-79 K73-970 (864,962*)
MAR-80 K82-576 (873,568*)
1965 90182-B B-99000 58994-C C-99692 (343,872)
MAR 67 98171-B B-96281 58567-C C-99879 (348,902)
MAR 68 96436-B B-90994 75586-C C-93483 (352,503)
MAR-69 989-62B B68-129 948-33C C94-570 (352,498)
LEGENDS MAR 67 - MAR-80
MAR 67 - MAR 68 "ONTARIO () MAR 67" top, no slogan
MAR-69 - MAR-80 "MAR-69" top, "ONTARIO" bottom
MAR-80: Late issues reported with squared,
closely spaced "ONTARIO".
COLORS MAR 67 - MAR-80
MAR 67, 69, 71, 73, 75, 77, 79 Blue/White
MAR 68, 70, 72, 74, 76, 78, 80 White/Blue
MAR-79: Some have black/red "78" sticker in LR corner with
legend "PRIMARILY PERSONAL/OR RECREATIONAL USE".
MAR-80: Some have black/red undated sticker in LR corner with
legend "USED PRIMARILY/FOR PERSONAL/TRANSPORTATION".
1980-95: Some have same sticker in UL corner of front plate.
1980-96 EMBOSSED BASE Black/White ("ONTARIO" bottom)
4-1-80 "JUN 80" AA1-001 - ZC6-076 (3,478,690 P)
No G,I,Q,U used. No O in 2nd position until RO.
No B,F,P,S used in 1st position.
Short die letters reported in KS, KY series.
Revalidated by windshield stickers 1980-83.
Monthly Staggered Registration began 4/1/1983, expire "JUN 83"
to "MAY 84", same as passenger. Sticker issued for UR corner
of front plate for trucks over 3,000 kg. (6,600 lbs.).
Currently revalidated.
Description of Types:
Type 1 - Rounded, widely spaced "ONTARIO"
AN8-209, EC5-615, ES2-240, JX3-961, XL6-865
Type 2 - Squared, closely spaced "ONTARIO"
EC6-071, LJ6-356, YM9-894
1995-2024 GRAPHIC BASE Black/White FR (Passenger design)
1994 "MAR 95" Type 1 ZE1-001 - ZZ9-999 (161,982 P)
May 95 "NOV 95" Type 1a 100-1AA - 240-7ED (613,339 P)
Type 2 606-9ED - 812-2HL (245,027 P)
Type 1b 565-6NX - 999-9ZZ (1,345,195 P)
Jul.11 "SEP 12" Type 1c AA-10001 - BP-88367 (2,688,338 P)
(TOTAL 6,098,959 P)
Description of Types:
Type 1 - No square under LL slot (3M)
Type 2 - Small black square under LL slot (Avery)
Issued to new registrations only.
No G,I,O,Q,U used except ZO prefix, AO,BO,CO,NO suffix.
No B,F,P,S used in 5th position.
100-1AA - 999-9ZZ = 3,248,639.
Type 1c: BF,BH,BJ,BM omitted.
Optional French slogan base ($20 extra cost) began July 2011,
DA-10001 - DA-12247 seen (not counted).
WINDSHIELD STICKER COLORS 1980-83 Colored Serial all years.(Verify *)
JUN 80*, JUN 82 Red/White JUN 81 White/Red
SEP 80*, SEP 82 Green/White SEP 81 White/Green
DEC 80*, DEC 82 Yellow/Black DEC 81 Black/Yellow
MAR 81, MAR 83 Blue/White MAR 82 White/Blue
