The U.S. commonwealth of the Northern Mariana Islands first required its residents to register their motor vehicles and display vehicle registration plates in 1968.

Passenger baseplates 1968 to present Since 1989, all passenger plates have featured a round mounting hole at the top right and horizontal slots in the other three corners, as with plates of Hawaii and Guam.

ImageFirst issuedDesignSloganSerial formatSerials issuedNotes1968None123419781989Dark blue embossed serials on reflective white, with motto centered at top, "C.N.M.I.-U.S.A." centered at the bottom, and the CNMI's seal in the center.HAFA ADAIABC 123AAA 000 to approximately ACZ 999; ADK 000 to present2005As above, but with serials surface-printed instead of embossed (by at least the ADA series).Approximately ADA 000 to ADK 999

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