| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 21 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 22 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 23 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 24 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 25 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 26 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 27 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 28 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 29 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 6 | — | — | 6,052,064 | El Salvador | America/El_Salvador |
| 7 | — | — | 6,052,064 | El Salvador | America/El_Salvador |