Area Codes in East Java
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 25 | Bogor | West Java | 800,000 | Indonesia | Asia/Jakarta |
| 27 | Kartasura | Central Java | — | Indonesia | Asia/Jakarta |
| 31 | Surabaya | East Java | 2,374,658 | Indonesia | Asia/Jakarta |
| 32 | Jombang | East Java | 126,465 | Indonesia | Asia/Jakarta |
| 321 | Mojokerto | East Java | 112,557 | Indonesia | Asia/Jakarta |
| 323 | Sampang | East Java | 53,269 | Indonesia | Asia/Jakarta |
| 324 | Pamekasan Regency | East Java | 92,447 | Indonesia | Asia/Jakarta |
| 328 | Sumenep Regency | East Java | 84,656 | Indonesia | Asia/Jakarta |
| 33 | Jember Regency | East Java | 298,585 | Indonesia | Asia/Jakarta |
| 331 | Jember Regency | East Java | 298,585 | Indonesia | Asia/Jakarta |
| 332 | Bondowoso | East Java | 69,783 | Indonesia | Asia/Jakarta |
| 333 | Banyuwangi Regency | East Java | — | Indonesia | Asia/Makassar |
| 334 | Lumajang Regency | East Java | 123,626 | Indonesia | Asia/Jakarta |
| 335 | Probolinggo | East Java | 181,656 | Indonesia | Asia/Jakarta |
| 338 | Situbondo Regency | East Java | 600,000 | Indonesia | Asia/Jakarta |
| 34 | Malang | East Java | 746,716 | Indonesia | Asia/Jakarta |
| 341 | Malang | East Java | 746,716 | Indonesia | Asia/Jakarta |
| 342 | Blitar | East Java | 132,416 | Indonesia | Asia/Jakarta |
| 343 | Pasuruan | East Java | 158,600 | Indonesia | Asia/Jakarta |
| 35 | Magetan Regency | East Java | — | Indonesia | Asia/Jakarta |
| 351 | Madiun | East Java | 186,099 | Indonesia | Asia/Jakarta |
| 352 | Ponorogo Regency | East Java | 79,026 | Indonesia | Asia/Jakarta |
| 353 | Bojonegoro Regency | East Java | 86,568 | Indonesia | Asia/Jakarta |
| 354 | Kediri, East Java | East Java | 235,143 | Indonesia | Asia/Jakarta |
| 355 | Tulungagung Regency | East Java | 65,262 | Indonesia | Asia/Jakarta |
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