Uruguayan vehicle registration plates have the name of the department at the bottom, additionally they start with a letter indicating the department (followed here by their main towns to aid location), except that formerly Montevideo and Paysandú city plates could start with any letter:

• none - Montevideo
• none - Paysandú
• A - Canelones (Canalones) - in combination with the second letter, indicates the town:
  • AA - Canelones
  • AB - Santa Lucia
  • AC - Cerrillos
  • AD - Las Piedras
  • AE - Las Paz
  • AF - Sauce
  • AG - Pando
• B - Maldonado (Maldonado) - in combination with the first digit, indicates the town:
  • B1 - Maldonado
  • B2 - San Carlos
  • B3 - Pan de Azúcar
  • B4 - Piriápolis
  • B5 - Punta del Este
• C - Rocha (Rocha)
• D - Treinta y Tres (Treinta y Tres)
• E - Cerro Largo (Melo)
• F - Rivera (Rivera)
• G - Artigas (Artigas)
• H - Salto (Salto)
• I - Paysandú (Paysandú)
• J - Rio Negro (Fray Bentos)
• K - Soriano (Mercedes)
• L - Colonia (Colonia)
• M - San José (San José)
• N - Flores (Trinidad)
• O - Florida (Florida)
• P - Lavalleja (Minas)
• Q - Durazno (Durazno)
• R - Tacuarembó (Tacuarembó)
• S - Montevideo