The Ultimate Costa Rica Postal Codes Directory
Sending mail to Central America requires precise routing. In Costa Rica, the official postal system is managed by Correos de Costa Rica, utilizing a highly organized 5-digit numerical structure known locally as the Código Postal. Use our updated 2026 directory below to instantly verify the correct Costa Rica Postal Codes for any province, canton, or specific district.
How Costa Rica Postal Codes Work
Unlike complex alphanumeric systems, the Costa Rican routing method is strictly numeric and geographically sequential:
- First Digit (Province): Represents one of the 7 main provinces (e.g., 1 for San José, 2 for Alajuela).
- Second & Third Digits (Canton): Identify the specific municipality or canton within that province.
- Fourth & Fifth Digits (District): Pinpoint the exact local delivery neighborhood or rural district.
Regional Prefixes for Costa Rica Postal Codes
To help you quickly identify the correct region before searching, here is the official starting digit assigned to each major province:
| Starting Digit | Designated Province |
|---|---|
| 1 | San José (Capital) |
| 2 | Alajuela |
| 3 | Cartago |
| 4 | Heredia |
| 5 | Guanacaste |
| 6 | Puntarenas |
| 7 | Limón |
Official Resources for Costa Rica Postal Codes
For destinations outside of Central America, seamlessly navigate to our main Global Postal Directory. For direct local verification or commercial dispatch inquiries, it is highly recommended to check the official Correos de Costa Rica Lookup Tool.
Costa Rica
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