For domestic long distance calls, dial:
0 + Area Code + Phone number
Example: From Mindanao to Manila, dial:
0 + 2 + Local Phone Number
From Overseas to the Philippines, dial:
00 + County Code + Area Code + Phone no.
Example: From Canada to Manila, dial:
00 + 63 + 2 + Local Phone Number
| Iba | Zambales | 47 |
| Ibaan | Batangas | 43 |
| Ifugao | | 74 |
| Ilagan | Isabela | 78 |
| Iligan | Lanao del Norte | 63 |
| Iloilo | Iloilo | 33 |
| Imus | Cavite | 46 |
| Indang | Cavite | 46 |
| Infanta | Quezon | 4235 |
| Ipil | Zamboanga del Sur | 62 |
| Iriga | Camarines Sur | 54 |
| Isabela | Negros Occidental | 34 |
| Isabela (Northern Province) | | 78 |
| Isulan | Sultan Kudarat | 64 |
| | |
| Jagna | Bohol | 38 |
| Javalera | Cavite | 46 |
| Jimenez | Misamis Occidental | 88 |
| Jose Panganiban | Camarines Norte | 54 |
