84 series catalogued · not affiliated with the RMV
Massachusetts plate series & format rules
Every documented plate series across the Reserved, Vanity, and Specialty passenger categories — with its plate number format, fixed prefix, and who can request it, all sourced and dated from the current RMV Passenger Plates Manual. A plate type is the broad category; a series is the specific plate (Red Sox, Cape & Island); a fixed prefix is printed for you; the suffix is the part you choose.
L one letter
N one digit
Specialty plates print a fixed prefix, so only the characters after it are up to you — Cape and Island's CP + NNNN reads as CP1234
84 series · page 4 of 4
Temporary Plate
PAS
no fixed prefix
format not documented
Manual examples only
U.S. Congress
PAS
USC
+ NNN
Manual examples only
Manual p.54
UMass
PAS
UM
+ NNNN
NNNL
NNLL
Manual examples only
Manual p.44
United We Stand
PAS
US
+ N
NN
NNN
NNNN
NNNL
Manual examples only
Manual p.45
US Senate
PAS
USS
+ NNN
Manual examples only
Manual p.55
USA Olympic team
PAS
USA
+ L
N
LL
LN
NL
NN
LLL
LLN
LNL
LNN
NLL
NLN
NNL
NNN
Confirmed
Veteran Flag Plate
PAS
no fixed prefix
format not documented
Manual examples only
Veteran Plate
PAS
VT
+ NNNN
NNNL
NNNNN
Manual examples only
Manual p.81
Welcome Home
PAS
WH
+ NNNN
NNNL
Manual examples only
Manual p.47
White Shark
PAS
WS
+ NNNN
NNNL
Manual examples only
Manual p.10
Zoo New England
PAS
ZN
+ NNNN
NNNL
Manual examples only
Manual p.48
Passenger Vanity Plate
PAV
no fixed prefix
LL
LLN
LLNN
LLNNN
LLNNNN
LLL
LLLN
LLLNN
LLLNNN
LLLL
LLLLN
LLLLNN
LLLLL
LLLLLN
LLLLLL
Manual rule
Manual p.5