Protect-O-Plate
Build Month Decoder
Italicized dates are inferred from other proven dates.
Updated thru post 486
1967 GMC
1967 ATLANTA (VIN Code A)
1967 BALTIMORE (VIN CODE B)
1967 FLINT (VIN Code F)
1967 JANESVILLE (VIN Code J)
1967 NORWOOD (VIN Code N)
1967 PONTIAC (VIN Code P)
PC1741x = 10/66 (post
227)
PC2939A = 10/66 (post
306) uncertainty
PC6996A = TBD (post
235)
PC7023A = TBD (post
353)
1967 ST LOUIS (VIN Code S)
1967 TARRYTOWN (VIN Code T)
1967 FREMONT (VIN Code Z)
ZC1117A = 01/31/67 (post
145)
ZC1132B = 02/67 (post
313)
ZC1204A = 06/05/67 (post
355)
ZC1502B = 07/11/67 (post
150)
ZC3179A = 09/66 (post
287)
1967 OSHAWA (VIN Code 1)
71114968 = pre-6/30/67 (post
202)
1968 GMC
1968 ATLANTA (VIN Code A)
1968 BALTIMORE (VIN CODE B)
1968 FLINT (VIN Code F)
FB11866 = TBD (post
346)
1968 JANESVILLE (VIN Code J)
1968 NORWOOD (VIN Code N)
1968 PONTIAC (VIN Code P)
PB13713 = 09/67 (post
227)
PB23821 = TBD
PB50017 = 03/01/68 - 03/14/68 (post
351)
PB50600 = 03/01/68 - 03/15/68 (post
350)
PB59836 = 04/68 (post
339)
1968 ST LOUIS (VIN Code S)
1968 TARRYTOWN (VIN Code T)
1968 FREMONT (VIN Code Z)
ZB15XXX = 12/19/67 (post
436)
ZB15973 = 01/10/68 (post
244)
ZB18911 = 03/25/68 (post
113)
ZB18926 = 03/25/68 (post
203)
ZB19574 = 04/01/68 - 04/10/68 (post
298)
ZB20021 = 04/68 (post
225)
ZB20536 = 04/22/68 (post
334)
ZB24449 = 07/11/68 (post
377)
1968 OSHAWA (VIN Code 1)
81122453 02/68 (post
226)
1969 GMC
1969 ATLANTA (VIN Code A)
1969 BALTIMORE (VIN CODE B)
1969 FLINT (VIN Code F)
1969 JANESVILLE (VIN Code J)
1969 NORWOOD (VIN Code N)
1969 PONTIAC (VIN Code P)
1969 ST LOUIS (VIN Code S)
1969 TARRYTOWN (VIN Code T)
1969 FREMONT (VIN Code Z)
ZA14456 = pre-01/27/69 (post
208)
ZA18599 = xx/21/69 (guessing 02/21/69, post
293)
1969 OSHAWA (VIN Code 1)
1970 GMC
1970 ATLANTA (VIN Code A)
AZ54038 = 03/70 (post
202)
AZ57912 = 07/01/70 - 07/17/70 (post
312)
AZ58225 = 07/70 (post
299)
1970 BALTIMORE (VIN CODE B)
BZ56666 = 5/70 (post
309)
1970 FLINT (VIN Code F)
1970 JANESVILLE (VIN Code J)
1970 NORWOOD (VIN Code N)
1970 PONTIAC (VIN Code P)
1970 ST LOUIS (VIN Code S)
SZ51970 = 09/69 (post
432)
SZ53344 = 10/69 (post
227, Jimmy)
SZ55672 = 10/69 (post
105)
SZ66873 = 02/70 (post
308, Jimmy)
SZ68109 = 03/70 (post
94)
SZ69182 = 05/70 (post
435)
SZ71625 = 05/70 (post
308, Jimmy)
SZ74168 = 06/70 (post
220)
SZ74344 = 06/70 (post
90)
SZ75011 = 08/01/70 - 08/05/70 (post
308)
1970 TARRYTOWN (VIN Code T)
TZ52339 = 11/69 (post
201)
1970 FREMONT (VIN Code Z)
ZZ50997 = 09/17/69 (post
375)
ZZ53347 = 10/69 (post
70)
ZZ54546 = 11/08/69 (post
440)
ZZ54581 = 11/01/69 - 11/26/69 (post
282)
ZZ57887 = 12/22/69 (post
261)
ZZ58475 = 01/06/70 (post
308)
ZZ58970 = 01/09/70 (post
406)
ZZ62021 = 03/04/70 (post
73)
ZZ62719 = 03/70 (post
300)
ZZ65282 = 05/70 (post
200)
1970 OSHAWA (VIN Code 1)
1971 GMC
1971 ATLANTA (VIN Code A)
1971 BALTIMORE (VIN CODE B)
1971 FLINT (VIN Code F)
F117182 = pre-04/07/71 (post
196)
F119181 = 04/28/71 - 04/30/71 (post
292)
1971 JANESVILLE (VIN Code J)
1971 NORWOOD (VIN Code N)
1971 PONTIAC (VIN Code P)
1971 ST LOUIS (VIN Code S)
S115717 = 11/70 (post
309)
S125355 = 03/71 (post
237)
S128680 = 04/71 (post
183)
S132048 = 06/71 (post
102)
S132212 = 06/71 (post
259)
S133302 = TBD (post
254, Jimmy)
1971 TARRYTOWN (VIN Code T)
T111624 = TBD (post
264)
1971 FREMONT (VIN Code Z)
Z111607 = 09/01/70 (post
265)
Z112151 = 09/10/70 (post
431)
Z113756 = xx/30/70 (post
196)
Z114098 = 01/71 (post
264)
Z115305 = 01/21/71
Z116224 = 02/01/71 - 02/13/71 (post
309)
Z120204 = 03/29/71 (post
440)
Z120390 = 03/31/71 (post
404)
Z120657 = TBD (post
245, suburban)
1971 OSHAWA (VIN Code 1)
1972 GMC
1972 ATLANTA (VIN Code A)
2A501474 = 09/71 (post
302)
2A505754 = 02/22/72 (post
307)
2A507337 = 04/72 (post
186)
1972 BALTIMORE (VIN CODE B)
2B501824 = post-09/20/71 (month code L for November?) (post
432)
2B508304 = TBD (post
324)
1972 FLINT (VIN Code F)
2F506322 = pre-12/29/71 (post
213, Jimmy)
2F507832 = 01/05/72 - 01/22/72 (post
300)
2F509133 = 01/72 (post
434, Jimmy)
2F513973 = 09/71 (post
225, Jimmy)
2F514200 = 04/72 (post
278, Suburban)
2F5158XX = 05/72 (post
10, Jimmy)
2F517402 = 06/08/72 - 06/26/72 (post
434, Jimmy)
2F518866 = 07/72 (post
406, Jimmy)
2F709457 = 04/72 (post
369)
2F710613 = 05/72 (post
85)
1972 JANESVILLE (VIN Code J)
2J507165 = 02/14/72 - 02/29/72 (post
486)
2J509712 = 04/07/72 - 04/30/72 (post
435)
2J510752 = 03/05/72 (post
308) maybe 05/05?
2J513340 = 06/72 (post
354)
2J513641 - 06/72 (post
442)
1972 NORWOOD (VIN Code N)
1972 PONTIAC (VIN Code P)
1972 ST LOUIS (VIN Code S)
2S503885 = 10/71 (post
485)
2S504574 = 10/71 (post
186)
2S506052 = 11/71 (post
257)
2S508014 = 12/71 (post
170)
2S514595 = 03/72 (post
349)
2S515492 = 03/72 (post
223)
2S516332 = TBD (post
299, Jimmy)
2S517628 = 04/72 (post
434)
1972 TARRYTOWN (VIN Code T)
1972 FREMONT (VIN Code Z)
2Z501234 = pre-10/09/71 (post
251)
2Z501467 = 09/71 (post
355)
2Z501985 = 10/05/71 (post
329)
2Z503349 = pre-11/19/71 (post
299)
2Z504257 = pre-12/16/71 (post
356)
2Z504858 = 12/06/71 - 12/21/71 (post
220)
2Z506573 = 01/18/72 (post
169)
2Z506758 = 01/71 (post
361) thehata1's truck
2Z509071 = 03/01/72 (post
207)
2Z512261 = 04/72 (post
237)
2Z512426 = 04/19/72 (post
10)
2Z512496 = 04/20/72 (post
216)
2Z514825 = 05/26/72 (post
237)
1972 OSHAWA (VIN Code 1)
21035XX = 09/21/71 (post
217)
__________________________________________
CCE242Z172551
5/26/72