| Flag | Code | Country | Time Difference (GMT) | Group | Comment | Internet Code |
 | 500 | FALKLAND ISLANDS( Malvinas) | -4 | BRD | | fk |
 | 501 | BELIZE | -6 | BCW | | bz |
 | 502 | GUATEMALA (Republic of) | -6 | | | gt |
 | 503 | EL SALVADOR (Republic of) | -6 | | | sv |
 | 504 | HONDURAS (Republic of) | -6 | | | hn |
 | 505 | NICARAGUA | -6 | | | ni |
 | 506 | COSTA RICA | -6 | | | cr |
 | 507 | PANAMA (Republic of) | -5 | | | pa |
 | 508 | SAINT PIERRE AND MIQUELON (Collectivite territoriale de la Republique francais) | -3 | | | pm |
 | 509 | HAITI (Republic of) | -5 | | | ht |
 | 51 | PERU | -5 | | | pe |
 | 52 | MEXICO | -6 | | | mx |
 | 53 | CUBA | -5 | | | cu |
 | 5399 | Guantanano Bay | -5 | | Cuba | |
 | 54 | ARGENTINA | -3 | | | ar |
 | 55 | BRAZIL (Federative Republic of) | -3 | | | br |
 | 56 | CHILE | -4 | | | cl |
| 56 | Easter Island | -4 | | CHILE | cl |
 | 57 | COLOMBIA (Republic of) | -5 | | | co |
 | 58 | VENEZUELA (Bolivarian Republic of) | -4 | | | ve |
 | 590 | GUADELOUPE (French Department of) | -4 | | | gp |
 | 591 | BOLIVIA (Republic of) | -4 | | | bo |
 | 592 | GUYANA | -4 | BCW | | gy |
 | 593 | ECUADOR | -5 | | | ec |
 | 594 | FRENCH GUIANA (French Department of) | -3 | | | gf |
 | 595 | PARAGUAY (Republic of) | -4 | | | py |
 | 596 | MARTINIQUE (French Department of) | -4 | | | mq |
| 596 | FRENCH ANTILLES | -4 | | | tf |
 | 597 | SURINAME (Republic of) | -3 | | | sr |
 | 598 | URUGUAY (Eastern Republic of) | -3 | | | uy |
 | 599 | NETHERLANDS ANTILLES | -4 | | | an |
| 599 | Curacao | -4 | | | |