Some North American States, Provinces, and territories:
Mexico
- YU - Yucatan
- BC - Baja California
- OA - Oaxaca
United States
- MD - Maryland
- IL - Illinois
- PA - Pennsylvania
- IA - Iowa
Canda
- QC - Quebec
- AB - Alberta
- NT - Northwest Territory
- YT - Yukon
- PE - Prince Edward Island