Colombo 01, located in the Colombo District of Sri Lanka, uses the postal code 00100. This postal code helps Sri Lanka Post and courier services accurately deliver mail and parcels to this area.
Residents, businesses, and government offices in Colombo 01 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 Colombo 01 to avoid delays or delivery issues.
| City | Postal Code | District |
|---|---|---|
| Colombo 02 | 00200 | Colombo |
| Slave Island | 00200 | Colombo |
| Colombo 03 | 00300 | Colombo |
| Colpetty | 00300 | Colombo |
| Colombo 04 | 00400 | Colombo |
| Bambalapitiya | 00400 | Colombo |
| Colombo 05 | 00500 | Colombo |
| Narahenpita | 00500 | Colombo |
| Wellawatte | 00600 | Colombo |
| Colombo 06 | 00600 | Colombo |
| Colombo 07 | 00700 | Colombo |
| Cinnamon Gardens | 00700 | Colombo |
| Colombo 08 | 00800 | Colombo |
| Borella | 00800 | Colombo |
| Dematagoda | 00900 | Colombo |