| Name | National | SubNational | Admin. Subdivisions | ||||||||||
| USA | N2 | N1 | SN2 | SN1 | AS3 | AS2 | AS1 | ||||||
| CANADA | N2 | N1 | SN2 | SN1 | 0 | AS2 | AS1 | ||||||
| RUSSIA | N2 | N1 | SN2 | SN1 | AS3 | AS2 | AS1 | ||||||
| ALL OTHER NATIONS | N2 | N1 | SN2 | SN1 | AS3 | AS2 | AS1 | ||||||
| Notes: | |||||||||||||
| USA required three digit county code. | |||||||||||||
| Filler required because Canada had a two digit county code. | |||||||||||||
| Country codes range from 10 - 99, to avoid leading zeros. | |||||||||||||
| All fields are stored as 7 digit numbers. | |||||||||||||
| National | XX00000 | ||||||||||||
| SubNational | XXXX000 | ||||||||||||
| Admin. Subdivisions | XXXXXXX | ||||||||||||
| Because Country codes are unique, there should be no collisions, even though State and County codes may overlap. | |||||||||||||