Area Codes sa Jaffna
| Area Code▲ | Lungsod↕ | Namamahalang Rehiyon↕ | Populasyon ng Siyudad↕ | Bansa/Rehiyon | Oras ng Dako |
|---|---|---|---|---|---|
| 21 | Jaffna | Northern Province | 169,102 | Sri Lanka | Asia/Colombo |
Mga Kalapit na Siyudad
| Lungsod | Rehiyon | Bansa | Populasyon | Area Codes | Postal Code |
|---|---|---|---|---|---|
| Arantāngi | State of Tamil Nādu | India | 35,621 | 4371 | 614616, 614619, 614630, 622204 |
| Mannar | Northern Province | Sri Lanka | — | 23 | 41000 |
| Mannargudi | State of Tamil Nādu | India | 63,148 | 4367, 4924 | 614001 |
| Thiruvarur | State of Tamil Nādu | India | 58,777 | 4366 | 609501, 610001, 610002, 610003 |
| Vavuniya | Northern Province | Sri Lanka | 60,176 | 24 | 43000 |