Each of the 50 states of the United States of America plus several of its territories and the District of Columbia issued individual passenger license plates for 1988.^[1][2][3][4]

Passenger baseplates

Passenger  car  plates

Image	Region	Design	Slogan	Serial format	Serials issued	Notes
	Alabama
	Alaska
	American Samoa
	Arizona
	Arkansas
	California
	Colorado
	Connecticut
	Delaware
	District of Columbia
	Florida
	Georgia
	Guam
	Hawaii
	Idaho	Embossed green numbers on white plate; screened green lines above and below numbers; screened green Sawtooth Mountains graphic on top line at the right; "IDAHO" screened in green to left of graphic, with the 'A' resembling a mountain peak	"Famous Potatoes" centered at bottom	A 12345 0/A 12345 1/A A1234 2/C 123456	Coded by county of issuance (A or 0/A)	Top line cut off at the left, allowing for taller county-code characters. This plate replaced all 1974–87 plates; serials in each county thus restarted from 1.
	Illinois
	Indiana
	Iowa
	Kansas	This design used since 1982 was issued until 1988 when it was replaced by the new wheat base. Some registrations for 1988 were backdated onto the new base instead of the old one.		A/B C12345	Coded by county of issuance (A/B) and month of expiration (C)
		This new base contained an embossed dark blue serial on a white plate; brown stalk of wheat screened in the center; pale yellow band screened across top containing stylized "KANSAS" in the center and three dark blue stripes on either side		ABC 123	AAA 000 to approximately DVD 999
	Kentucky
	Louisiana
	Maine
	Maryland
	Massachusetts
	Michigan
	Minnesota
	Mississippi
	Missouri
	Montana
	Nebraska
	Nevada
	New Hampshire
	New Jersey
	New Mexico
	New York
	North Carolina
	North Dakota
	Northern Mariana Islands
	Ohio
	Oklahoma
	Oregon
	Pennsylvania
	Puerto Rico
	Rhode Island
	South Carolina
	South Dakota
	Tennessee
	Texas
	Utah
	Vermont
	Virginia	Embossed dark blue serial on reflective white plate with border line; "Virginia" screened in blue centered at top.	None	ABC-123		Still currently revalidated.
	Washington	Embossed dark blue serial on reflective white plate with light blue Mount Rainier graphic and dark blue border line; "Washington" screened in red centered at top.	"Centennial Celebration" screened in red centered at bottom	123-ABC
	West Virginia
	Wisconsin
	Wyoming

Non-passenger plates

Non-passenger  plates  

Image (standard)	Region	Type	Design and slogan	Serial format	Serials issued	Notes