| Sub | IATA 3166 | Country | Sub continent |
|---|---|---|---|
| 1B | CA | Canada | North America |
| 1B | MX | Mexico | North America |
| 1B | US | United States | North America |
| 1B | VI | Virgin Islands, U.S. | North America |
| 1B | GL | Greenland | North American Islands |
| 1B | PM | Saint Pierre and Miquelon | North American Islands |
| 1B | PR | Puerto Rico | North American Islands |