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
81 series · page 3 of 4
Mass House Speaker
PAS
no fixed prefix
format not documented
Manual examples only
Medal of Liberty
PAS
ML
+ NNNN
Manual examples only
Manual p.72
Medical Doctor
PAS
MD
+ NNNN
Manual examples only
Manual p.61
Nantucket Island
PAS
NI
+ NNNN
NNNL
Manual examples only
Manual p.32
National Guard
PAS
NG
+ NNNN
Manual examples only
Manual p.74
New England Patriots
PAS
NE
+ NNNN
NNNL
Manual examples only
Manual p.33
News Photographer
PAS
NP
+ NNNN
Manual examples only
Manual p.92
Non-Resident Short-Term Plate
PAS
no fixed prefix
format not documented
Manual examples only
Olympic Spirit
PAS
OS
+ NNNN
NNNL
Manual examples only
Manual p.35
Overdose Awareness
PAS
OA
+ NNNN
NNNL
Manual examples only
Manual p.36
Pan Mass Challenge
PAS
PM
+ NNNN
NNNL
Manual examples only
Manual p.37
Pearl Harbor Survivor
PAS
VTPH
VTPJ
VTPK
+ NN
Manual examples only
Manual p.75
Plymouth 400
PAS
PL
+ NNNN
NNNL
Manual examples only
Manual p.38
Protect and Serve
PAS
PS
+ NNNN
NNNL
Manual examples only
Manual p.42
Purple Heart
PAS
PH
+ NNNN
Manual examples only
Manual p.77
Red Sox
PAS
RS
+ NNNN
NNNL
Manual examples only
Manual p.39
Registered Nurse
PAS
RN
+ NNNN
NNNL
Manual examples only
Manual p.40
Right Whale
PAS
RW
RT
+ NNNN
NNNL
or
NNNNN
Manual examples only
Manual p.41
Senate
PAS
SENAT
+ NN
Manual examples only
Manual p.53
Senate President
PAS
no fixed prefix
format not documented
Manual examples only
Silver Star
PAS
VS
+ NNNN
NLL
Manual examples only
Manual p.79
Striped Bass
PAS
SC
+ NNNN
NNNL
Manual examples only
Manual p.43
Temporary Plate
PAS
no fixed prefix
format not documented
Manual examples only
U.S. Congress
PAS
USC
+ NNN
Manual examples only
Manual p.54