# Vehicle registration plates of the United States for 1928

Vehicle registration plates of the United States by year :
| Vehicle registration plates of the United States for 1927 | Events of 1928 | Vehicle registration plates of the United States for 1929 |
Each of the 48 states of the United States of America plus several of its territories and the District of Columbia issued individual passenger license plates for 1928.

## Passenger baseplates

Passenger  Car  Plates :
| Region | Design | Slogan | Serial format | Serials issued | Notes |
| Alabama | | | | | |
| Alaska | | | | | |
| American Samoa | | | | | |
| Arizona | | | | | |
| Arkansas | | | | | |
| California | | | | | |
| Canal Zone | | | | | |
| Colorado | | | | | |
| Connecticut | | | | | |
| Delaware | | | | | |
| District of Columbia | | | | | |
| Florida | | | | | |
| Georgia | | | | | |
| Guam | | | | | |
| Hawai'i | | | | | |
| Idaho | | | | | |
| Illinois | | | | | |
| Indiana | | | | | |
| Iowa | | | | | |
| Kansas | | | | | |
| Kentucky | | | | | |
| Louisiana | | | | | |
| Maine | | | | | |
| Maryland | | | | | |
| Massachusetts | | | | | |
| Michigan | | | | | |
| Minnesota | | | | | |
| Mississippi | Embossed white lettering and border on black base; "MISS. 1927" centered at bottom | none | 123-456 | 1 to approximately 249-000 | |
| 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 | | | | | |
| Washington | | | | | |
| West Virginia | | | | | |
| Wisconsin | Embossed black serial on orange plate; vertical "WIS" at right, weight class over "28" at left | none | A123-456 | Coded by weight class | Weight classes are A, B, C, D, and E |
| Wyoming | | | | | |

## Non-passenger plates

Non-passenger  Plates :
| Region | Type | Design & Slogan | Serial format | Serials issued | Notes |
| Wisconsin | City bus | Embossed black serial on orange plate; "WIS" over "28" at right; "CITY" over "BUS" at left | A 1 | Coded by weight class | Only one C weight class plate known |
| Wisconsin | Dealer | Embossed black serial on orange plate; vertical "WIS" over "28" at right; embossed solid star at left | 1234A | Dealer number and plate number | Number is the dealer number, the letter is the plate number for that dealer. |
| Wisconsin | Duplicate | Embossed black serial on orange plate; stacked "WIS" and "DUPL" at left | A1234 | Coded by weight class | |
| Wisconsin | Interurban bus | Embossed black serial on orange plate; unknown format | | Coded by weight class | |
| Wisconsin | Motorcycle | Embossed black serial on orange plate; "W" over "28" at right | A1234 | A 1 to approximately A1500 | Used on regular motorcycles |
| Wisconsin | Motorcycle | Embossed black serial on orange plate; "W" over "28" at right | B123 | B 1 to approximately B700 | Used on motorcycles with sidecars |
| Wisconsin | Motorcycle dealer | Embossed black serial on orange plate; unknown format | | | |
| Wisconsin | Municipal | Embossed white serial on red plate; vertical "WIS" at right | 1234 | 1 to approximately 3100 | Undated issue from 1924 to 1929 |
| Wisconsin | Municipal motorcycle | Embossed white serial on red plate; unknown format | 123 | 1 to approximately 150 | |
| Wisconsin | Truck | Embossed black serial on orange plate; vertical "WIS" at right, weight class over "28" at left; vertical "TRUCK" between year and serial | A 12-345 | Coded by weight class | Weight classes were A, B, C, D, E, and F |