Ratmalana, located in the Colombo District of Sri Lanka, uses the postal code 10390. This postal code helps Sri Lanka Post and courier services accurately deliver mail and parcels to this area.
Residents, businesses, and government offices in Ratmalana commonly use this postal code for official documentation, online shopping, banking services, and utility registrations.
Always ensure the correct postal code is included when sending mail to Ratmalana to avoid delays or delivery issues.
| City | Postal Code | District |
|---|---|---|
| Moratuwa | 10400 | Colombo |
| Padukka | 10500 | Colombo |
| Horagala | 10502 | Colombo |
| Meegoda | 10504 | Colombo |
| Kahawala | 10508 | Colombo |
| Watareka | 10511 | Colombo |
| Batawala | 10513 | Colombo |
| Bope | 10522 | Colombo |
| Handapangoda | 10524 | Colombo |
| Batugampola | 10526 | Colombo |
| Kolonnawa | 10600 | Colombo |
| Mulleriyawa | 10620 | Colombo |
| Angoda | 10620 | Colombo |
| Kaduwela | 10640 | Colombo |
| Hanwella | 10650 | Colombo |