ISO 3166-1 Officially assigned code elements Officially assigned code elements

| English_short_name_upper_lower_case | Alpha_2_code | Alpha_3_code | Numeric_code | ISO_3166_2_codes |
|---|---|---|---|---|
| Colombia | CO | COL | 170 | ISO 3166-2:CO |
| Comoros | KM | COM | 174 | ISO 3166-2:KM |
| Congo | CG | COG | 178 | ISO 3166-2:CG |
| Congo, the Democratic Republic of the | CD | COD | 180 | ISO 3166-2:CD |
| Cook Islands | CK | COK | 184 | ISO 3166-2:CK |
| Costa Rica | CR | CRI | 188 | ISO 3166-2:CR |
| Côte d`Ivoire | CI | CIV | 384 | ISO 3166-2:CI |
| Croatia | HR | HRV | 191 | ISO 3166-2:HR |
| Cuba | CU | CUB | 192 | ISO 3166-2:CU |
| Curaçao | CW | CUW | 531 | ISO 3166-2:CW |
| Cyprus | CY | CYP | 196 | ISO 3166-2:CY |
| Czech Republic | CZ | CZE | 203 | ISO 3166-2:CZ |
| Denmark | DK | DNK | 208 | ISO 3166-2:DK |
| Djibouti | DJ | DJI | 262 | ISO 3166-2:DJ |
| Dominica | DM | DMA | 212 | ISO 3166-2:DM |
| Dominican Republic | DO | DOM | 214 | ISO 3166-2:DO |